What is meant by pass by reference and pass by value in java?

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What is proxy object in java?

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What are the differences between java’s old java date api and java 8’s date and time api?

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What is a java singleton?

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What is lambda value?

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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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Can the main method be declared final?

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Which version of jdk is required for netbeans 8.0 2?

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What is a static method?

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Can you compile java into exe?

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Define network programming?

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In which language eclipse is developed?

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