What java systems libraries and methods are available for me to use?

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What is ioexception in java?

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How do you check if java is installed on windows command prompt?

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I am trying to create a new universal user group. Why can't i? : java security

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How to implement Thread

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What is lambda expression in mvc?

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Can we use lambda without functional interface?

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public class Dog { private int weight; public int getweight(){ return weight; } public void SetWeight(int newWeight){ if (newWeight > 0){ weight = newWeight; } } } public class TestDog { public static void main(String[] args) { Dog d = new Dog(); System.out.println("Dog d's weight is " + d.getWeight()); d.setWeight(42); System.out.println("Dog d's weight is " + d.getWeight()); d.setweight(-42); System.out.println("Dog d's weight is " + d.getWeight()); } } class dog is compiled but there is an error in class TestDog when compiled and the error is with dot notations. I want to kmow why there is error in testdog class when compiled.

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Is java installed on windows 10?

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What is the use of flatmap in java 8?

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What happens when the parent process of a child process exits before the child ?

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What is stateless in java?

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