Why we need method overriding in JAVA ? I mean which method I have to override I can write that method in my Class.

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Who created eclipse?

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What is default constructor in java?

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What is the use of servlet in java?

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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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What is log4j in java?

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What is the use of rs next () in java?

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why is java not 100% oops?

5 Answers   IBM,

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What is reflection in java?

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How do I run a java project?

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Please can anybody explain what exactly "the project architecture" means???

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How does jpa repository work?

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