JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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How Exception Terminates Java Program?

Whenever exception arises, it terminates the program execution, means it stops the execution of the current java program. Below example shows what happens when an exception occurs.

Sample Code

Code:
package com.myjava.exceptions;

public class MyException {
    public static void main(String a[]){
        for(int i=5;i>=0;i--){
            System.out.println(10/i);
        }
        System.out.println("After for loop...");
    }
}

Example Output

2
2
3
5
10
Exception in thread "main" java.lang.ArithmeticException: / by zero
        at com.myjava.exceptions.MyException.main(MyException.java:6)
Java Result: 1

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Other Exception Handling Examples

Knowledge Centre
What is abstract class or abstract method?
We cannot create instance for an abstract class. We can able to create instance for its subclass only. By specifying abstract keyword just before class, we can make a class as abstract class.

public abstract class MyAbstractClass{

}

Abstract class may or may not contains abstract methods. Abstract method is just method signature, it does not containes any implementation. Its subclass must provide implementation for abstract methods. Abstract methods are looks like as given below:

public abstract int getLength();
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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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