What are the advantages of defining packages in java?

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What do you mean by singleton class in java?

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write SQL command for table employee where print first name or last name start like "A" and who is working in domain(angular js,java,dotnet)

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What does singleton class mean?

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This is my code i have a doubt class ab implements a,b { public void add() { System.out.println("Hi") } } interface a { public void add(); } interface b { public void add(); } in this code i have two interface implemented in the class has same method.just i want to know which method of interface implemented in the class. interface a or interface b? confused me .

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What is meant by Static query and Dynamic query?

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while creating thread why we extend thread class

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What is pangram in java?

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why would you use a synchronized block vs. Synchronized method? : Java thread

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What is the output of the following Java program? class Main { public static void main(String args[]){ final int i; i = 10; System.out.println(i); } } 10. What is the output of the following Java program? class Main { public static void main(String args[]){ final int i; i = 10; System.out.println(i); } }

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I/O blocking means?

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Can we serialize arraylist in java?

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