JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Throws Clause Examples

  • The 'throws' clause in java programming language is belongs to a method to specify that the method raises particular type of exception while being executed.
  • The 'throws' clause takes arguments as a list of the objects of type 'Throwables' class.
  • Anybody calling a method with a throws clause is needed to be enclosed within the try catch blocks.

Throws Clause Sample Code

Code:
package com.myjava.exceptions;

public class MyThrowsClause {
    public static void main(String a[]){
        MyThrowsClause mytc = new MyThrowsClause();
        try{
            for(int i=0; i<5; i++){
                mytc.getJunk();
                System.out.println(i);
            }
        } catch (InterruptedException iex){
            iex.printStackTrace();
        }
    }
    
    public void getJunk() throws InterruptedException {
        Thread.sleep(1000);
    }
}
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Other Exception Handling Examples

Knowledge Centre
When to use LinkedList or ArrayList?
Accessing elements are faster with ArrayList, because it is index based. But accessing is difficult with LinkedList. It is slow access. This is to access any element, you need to navigate through the elements one by one. But insertion and deletion is much faster with LinkedList, because if you know the node, just change the pointers before or after nodes. Insertion and deletion is slow with ArrayList, this is because, during these operations ArrayList need to adjust the indexes according to deletion or insetion if you are performing on middle indexes. Means, an ArrayList having 10 elements, if you are inserting at index 5, then you need to shift the indexes above 5 to one more.
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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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