What is ui framework in java?
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How do javabeans work?
What is the java virtual machine (jvm)?
Difference between Abstract Class & Interface?
What is the use of lambda functions?
What is phantom memory?
What is java ioc?
What happens when the parent process of a child process exits before the child ?
What if the main method is declared as private?
why i can not access private variable in other class?
what is the function of OS
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.
What is the use of flatmap?