What is a flatmap?

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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.

3 Answers  

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Is php faster than java?

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What is lambda expression in mvc?

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What if the main method is declared as private?

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explain how java se 8 data and time api solves issues of old java date api?

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

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What is a pojo class in java?

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Define network programming?

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Explain the Sequence Diagram?

2 Answers   HCL,

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What is war file in java?

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why the sleep method does not leave the lock and wait method leave the lock

4 Answers  

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