JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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String Initialization Sample Code


Description:

Here you can see example for different ways of initializing string. You can create and initialize string object by calling its constructor, and pass the value of the string. Also you can pass character array to the string constructor. You can also directly assign string value to the string reference, which is equals to creating string object by calling constructor. The empty string constructor will create string object with empty value.


Code:
package com.myjava.string;

public class MyStringInitialization {
    public static void main(String a[]){
        String abc = "This is a string object";
        String bcd = new String("this is also string object"); 
        char[] c = {'a','b','c','d'};
        String cdf = new String(c);
        String junk = abc+" This is another String object";
    }
}

Other String Function 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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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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