How do I create an executable jar file?

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Explain the encapsulation principle.

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What is flatmap in rxjs?

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how ahstraction is the property of oops,this is also in c and c++ ex. printf function which is also hide the unnecessary data,so what is the difference ? and does c++ fallow the abstraction?

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What is java aop?

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Which is better openjdk or oracle jdk?

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How do I install eclipse?

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write a code in jsp to swap two numbers?

7 Answers   Wipro,

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How do I run a java project?

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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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explain isalive() method under thread class?

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Which is the Best institute to do academic Project in Java? Need information about institutes at Ameerpet, Hyderabad.

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