What's the difference between authentication and authorization? : java security

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How do javabeans work?

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Employee has a Passport. here employee is an object and passport is an object, give the class design

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when i send the request to the JSP page it will print as it is and why? and how to solve this problem please inform me that solution

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Is jar an executable?

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What type of parameter passing does java support?

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Are jvm’s platform independent?

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Explain the Sequence Diagram?

2 Answers   HCL,

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How do I open my java console?

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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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I am new to jsf rich faces. I am using rich faces datatable rich:datatable. On entering the value, values get filtered in table. Now how can i get the value i selected in backing bean?

1 Answers   Hexaware, IBM,

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What is jpa implementation?

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