JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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How to appent or concat two Strings in java?


Description:

Below example shows different ways of append or concat two string objects. You can append two strings by just using "+" sign. Also you can concatinate two string objects by calling concat() method.


Code:
package com.myjava.string;

public class MyStringConcat {
    public static void main(String a[]){
        String b = "jump ";
        String c = "No jump";
        /**
         *  We can do string concatination by two ways. 
         *  One is by using '+' operator, shown below. 
         */
        String d = b+c;
        System.out.println(d);
        /**
         *  Another way is by using concat() method, 
         *  which appends the specified string at the end.
         */
        d = b.concat(c);
        System.out.println(d);
    }
}

Example Output

jump No jump
jump No jump

Other String Function Examples

Knowledge Centre
Difference between Enumeration and Iterator
The functionality of Enumeration and the Iterator are same. You can get remove() from Iterator to remove an element, while while Enumeration does not have remove() method. Using Enumeration you can only traverse and fetch the objects, where as using Iterator we can also add and remove the objects. So Iterator can be useful if you want to manipulate the list and Enumeration is for read-only access.
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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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