Java Programming Basics

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Who created Java and when?

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James Gosling in 1995 at Sun Microsystems.

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What does WORA stand for in Java?

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Write Once, Run Anywhere.

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What is Java's unique name inspired by?

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Java island in Indonesia and Java coffee near Gosling's office.

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What are some applications of Java?

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Android apps, Desktop applications, Web applications & servers, Games, Database connectivity.

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What are the benefits of using Java?

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Easy to learn, open source, object-oriented.

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What is the syntax to print 'Hello World' in Java?

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System.out.println("Hello World");

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What does the 'public class main' define in Java?

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It defines a class named 'main'.

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What is the purpose of 'public static void main(String[] args)'?

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It is the required main method, the entry point of the program.

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What is the purpose of 'System.out.println("H W")'?

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It prints 'Hello World' on the screen.

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What are variables used for in Java?

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To store data (number, text, etc).