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![Replace the value of 2 variables!
Don’t write numbers!
Don’t change the existing lines, only include new ones!
public class Replace {
public static void main(String[] args) {
int first = 7;
int second = 19;
// write something here!!!
System.out.println(”first=”+first+”
second=”+second);
}
}
Value replacing exercise](https://image.slidesharecdn.com/ssjavaprogramming1-170309214835/85/Introduction-to-Java-programming-Java-tutorial-for-beginners-to-teach-Java-basics-in-an-easy-and-entertaining-way-67-320.jpg)
![Replace the value of 2 variables!
Don’t write numbers!
Don’t change the existing lines, only include new ones!
public class Replace {
public static void main(String[] args) {
int first = 7;
int second = 19;
// write something here!!!
System.out.println(”first=”+first+”
second=”+second);
}
}
Value replacing exercise](https://image.slidesharecdn.com/ssjavaprogramming1-170309214835/75/Introduction-to-Java-programming-Java-tutorial-for-beginners-to-teach-Java-basics-in-an-easy-and-entertaining-way-67-2048.jpg)
Uploaded byDuckademy IT courses
Introduction to Java programming - Java tutorial for beginners to teach Java basics in an easy and entertaining way
The document is an introduction to a Java programming course offered by Duckademy, aimed at teaching Java from basics to advanced concepts. It covers various topics, including data types, control structures, object-oriented programming, and software development tools, with practical exercises and projects. Additionally, it highlights the significance of Java in the job market and its widespread usage across various applications.
In this document
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Introduction to the course, goal to become an expert Java developer. Covers getting started, exercises, and key topics. Details the course topics including OOP, algorithms, file handling, and the broad application of Java in various domains.
Requirements to start Java programming include JRE, IDEs (NetBeans, Eclipse), JDK, and JVM.
Explanation of Java variables and types, including primitive data types and objects with numerous examples.
Hands-on programming exercises on value replacement, temperature conversion, logical conditions, and structure control in Java.
End of Video 1 and preview of next video on control structures.
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Similar to Introduction to Java programming - Java tutorial for beginners to teach Java basics in an easy and entertaining way
Introduction to Java programming - Java tutorial for beginners to teach Java basics in an easy and entertaining way
- 1. www.duckademy.com Learn Java inan easy and entertaining way
- 2.
- 3. The goal ofthis course is to teach you how to program in Java. From the very basics, through lots of exercises, you will get to an advanced level where you can become an expert Java developer.
- 4. The course willcover Getting started with Java Sorting elements in Java Control structures Generics NetBeans tips and tricks Variations for storing objects Basic algorithms Handling exceptions Arrays File handling Functions and structured programming Enums Object-oriented programming in Java Using external libraries in our programs Handling dates and times
- 5. In this video 1.A quick intoduction to Java 2. Install NetBeans 3. Create our first project (Hello, World!) 4. Variables and types 5. Input/output and calculations 6. Conditions (if) 7. Review exercise
- 6.
- 7. In theTOP 3 (if not the most popular) 3 billion devices run… Platform independency (write once, run anywhere) Lots of well paying jobs Wide usability Java is popular
- 8. Java as atree
- 10.
- 11. Basic computer skills Programming inJava Basic Java tools
- 12. Basic computer skills Programming inJava Basic Java tools Mobile apps Android Java ME (cards, TV…) Android has the highest, 60% market share among mobile platforms worldwide.
- 13. Basic computer skills Programming inJava Basic Java tools Mobile apps Desktop apps Android Games Java ME (cards, TV…) Software tools Scientific research
- 14. Basic computer skills Programming inJava Basic Java tools Mobile apps Desktop apps Enterprise (”web”) apps Android Games Java ME (cards, TV…) 90% of Fortune 500 companies use Java. Software tools Banks Scientific research E-commerce applications Backend services
- 15. Basic computer skills Programming inJava Basic Java tools Mobile apps Desktop apps Enterprise (”web”) apps Android Games Java ME (cards, TV…) Software tools Programming in Java Banks Scientific research E-commerce applications Backend services Basic Java tools In this course
- 16.
- 17.
- 18. Pretty girl! Non capisconiente! Travelling to Europe...
- 19. Non capisco niente! ??? Travellingto Europe...
- 20. Translate (compile) themessage... Compiler
- 21. Translate (compile) themessage... Compiler Pretty girl!... Bella ragazza!
- 22. Translate (compile) themessage... Pretty girl!... Bella ragazza! Compiler
- 23.
- 24. Interpret the message... Ispeak English AND Italian! Interpreter
- 25. Interpret the message... Prettygirl! Interpreter
- 26. Interpret the message... Luidice: „Bella ragazza”. Pretty girl! Interpreter
- 27. Interpret the message... Luidice: „Bella ragazza”. Pretty girl! Interpreter
- 28. Java style (platformindependence)
- 29. Java style (platformindependence) Compiler
- 30. Java style (platformindependence) Pretty girl! Compiler
- 31. Java style (platformindependence) Pretty girl! … Compiler
- 32. Java style (platformindependence) Pretty girl! … Bela knabino! Compiler
- 33. Java style (platformindependence) Interpreter Compiler I speak Italian AND Esperanto. I speak Finnish AND Esperanto. Pretty girl! … Bela knabino!
- 34. Java style (platformindependence) Interpreter Compiler Lui dice: „Bella ragazza” Pretty girl! … Bela knabino!
- 35. Java style (platformindependence) Interpreter Compiler Pretty girl! … Bela knabino! Lui dice: „Bella ragazza”
- 36. Java style (platformindependence) Interpreter Compiler Hän sanoo: „Kaunis tyttö” Pretty girl! … Bela knabino! Lui dice: „Bella ragazza”
- 37. Java style (platformindependence) Interpreter Compiler Hän sanoo: „Kaunis tyttö” Pretty girl! … Bela knabino! Lui dice: „Bella ragazza”
- 38. Java style (platformindependence) Interpreter Pretty girl! … Bela knabino! Byte code Compiler Hän sanoo: „Kaunis tyttö” Lui dice: „Bella ragazza”
- 39. Java style (platformindependence) Interpreter Pretty girl! … Bela knabino! Byte code Hän sanoo: „Kaunis tyttö” Lui dice: „Bella ragazza” Compiler Virtual machine Virtual machine
- 40. What do weneed to start Java programming?
- 41. What do weneed to start Java programming? JRE
- 42. What do weneed to start Java programming? JRE IDE
- 43. What do weneed to start Java programming? JRE IDE JDK
- 44. What do weneed to start Java programming? JRE IDE JDK JVM
- 45. What do weneed to start Java programming? JRE IDE JDK JVM NetBeans
- 46. What do weneed to start Java programming? JRE IDE JDK JVM NetBeans Eclipse
- 47. Java Development Kit (JDK) JavaRuntime Environment (JRE) Java Virtual Machine (JVM) Integrated Development Environment (IDE) NetBeans Eclipse
- 48.
- 49.
- 50. Variables and types ShirtsT-shirts
- 51.
- 52. Java variables andtypes
- 53. Java variables andtypes All types
- 54. Java variables andtypes All typesPrimitive types
- 55. Java variables andtypes All typesPrimitive types Classes
- 56. Java variables andtypes All typesPrimitive types ClassesNumbers
- 57. Java variables andtypes All typesPrimitive types ClassesNumbers Char
- 58. Java variables andtypes All typesPrimitive types ClassesNumbers Char Boolean
- 59. Java variables andtypes All typesPrimitive types ClassesNumbers Char Boolean Integer
- 60. Java variables andtypes All typesPrimitive types ClassesNumbers Char Boolean Integer Real
- 61. Java variables andtypes All typesPrimitive types ClassesNumbers Char Boolean Integer Real Byte
- 62. Java variables andtypes All typesPrimitive types ClassesNumbers Char Boolean Integer Real ByteShort
- 63. Java variables andtypes All typesPrimitive types ClassesNumbers Char Boolean Integer Real ByteShort Long
- 64. Java variables andtypes All typesPrimitive types ClassesNumbers Char Boolean Integer Real ByteShort LongInt
- 65. Java variables andtypes All typesPrimitive types ClassesNumbers Char Boolean Integer Real ByteShort LongInt Float
- 66. Java variables andtypes All typesPrimitive types ClassesNumbers Char Boolean Integer Real Long ByteShort Float DoubleInt
- 67. Replace the valueof 2 variables! Don’t write numbers! Don’t change the existing lines, only include new ones! public class Replace { public static void main(String[] args) { int first = 7; int second = 19; // write something here!!! System.out.println(”first=”+first+” second=”+second); } } Value replacing exercise
- 68.
- 69.
- 70.
- 71.
- 72.
- 73.
- 74.
- 75.
- 76.
- 77. Temperature exercise Writea program that reads in an integer value denoting a temperature value in Celsius grade. Calculate and print the Fahrenheit grade! What do we not know? – How to read in a number – How to make calculations °F = 9 5 °C + 32
- 78. Boiling exercise Writea program that reads in a temperature value (in Celsius) and prints out if the water is boiling at the specified temperature! What do we not know? – How to run a part of code based on a condition 100 °C
- 79. Boiling and freezingexercise Write a program that reads in a temperature value (in Celsius), and prints out whether the water is boiling or freezing or at normal state at the specified temperature! What do we not know? – Joining if’s 0 °C 100 °C
- 80.
- 81.
- 82. True, if bothconditions are true. Logic operators && || !
- 83. True, if bothconditions are true. True, if either condition is true. Logic operators && || !
- 84. True, if bothconditions are true. True, if either condition is true. Negate: Logic operators && || ! makes true out of false
- 85. True, if bothconditions are true. True, if either condition is true. Negate: Logic operators && || ! and false makes true out of false out of true.
- 86.
- 87. Multiple if-else if-elseif-…-else
- 88. Multiple if-else if-elseif-…-else Let’s imagine a sausage! The sausage will represent all the values.
- 89. Multiple if-else if-elseif-…-else Let’s imagine a sausage! The sausage will represent all the values.
- 90. Multiple if-else if-elseif-…-else Let’s imagine a sausage! The sausage will represent all the values.
- 91. Multiple if-else if-elseif-…-else Let’s imagine a sausage! The sausage will represent all the values.
- 92. Multiple if-else if-elseif-…-else Let’s imagine a sausage! The sausage will represent all the values.
- 93. Multiple if-else if-elseif-…-else Let’s imagine a sausage! The sausage will represent all the values.
- 94.
- 95. Fighting exercise Writea program with which you can simulate one round of fight between you and a monster. First we read in the attributes of each of you. Then we play one round of the fight. Peter Tikos
- 96. Fighting rules Attributes: AttackPoints (AP) Defense Points (DP) Damage (D) Life Points (LP) Fight (one round): Attacker is chosen randomly (coin toss) Attack Points + 2 Dice ? Enemy’s Defense Points > : Attacker hits defender, so life points decreased by damage <= : Miss
- 97. Let’s fight! Firstlet’s generate random numbers!
- 98. Let’s fight! Firstlet’s generate random numbers! Then we are ready to fight
- 99. What’s next Chooseone from many (switch) Repeat it! (the loops) – While – Do-while – For Controlling loops – Break – Continue Multiple loops one inside the other www.duckademy.com/course/java-programming Check out the course:
- 100. End of video1 Next video: Control structures www.duckademy.com/course/java-programming Check out the course: