Java Words Count

How To Count Words In A String Using Java Netbeans

In This Java Tutorial  We Will See How To Count The Number Of Words In A jTextField Text Using Java Programming Language And NetBeans Editor.

STEPS:
1 - the user enter text into the jtexfields
2 - the user click "count" button to display the number of words in the text.

Project Source Code:

private void jButtonCountActionPerformed(java.awt.event.ActionEvent evt) {                                             

        

        String txt = jTextField1.getText();

        String[] words = txt.split(Pattern.quote(" "));

        System.out.println(words.length);

        

    } 

///////////////OUTPUT:

Result : 11

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JAVA - Some Java String Functions

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In this java Tutorial we will see Some String Methode In Java NetBeans .

Source Code:

package JavaDB_001;

public class Project {

public static void main(String[] args){
 String str = "1bestcsharp.blogspot.com";

 System.out.println("length: "+str.length());
 System.out.println("indexOf: "+str.indexOf("."));
 System.out.println("lastIndexOf: "+str.lastIndexOf("."));
 System.out.println("startsWith: "+str.startsWith("1"));
 System.out.println("endsWith: "+str.endsWith("m"));
 System.out.println("compareTo: "+str.compareTo("1bestcsharp"));
 System.out.println("compareTo: "+str.compareTo("1bestcsharp.blogspot.com"));
 System.out.println("compareTo: "+str.compareTo("www.1bestcsharp.blogspot.com"));
 System.out.println("equals"+str.equals(new String("1bestcsharp")));
 System.out.println("toUpperCase: "+str.toUpperCase());
 System.out.println("toLowerCase: "+str.toLowerCase());
 System.out.println("trim: "+new String("        1bestcsharp.blogspot.com").trim());
 System.out.println("replace: "+str.replace("com", "net"));
}

}
/////// OUTPUT:
length: 24
indexOf: 11
lastIndexOf: 20
startsWith: true
endsWith: true
compareTo: 13
compareTo: 0
compareTo: -70
equalsfalse
toUpperCase: 1BESTCSHARP.BLOGSPOT.COM
toLowerCase: 1bestcsharp.blogspot.com
trim: 1bestcsharp.blogspot.com
replace: 1bestcsharp.blogspot.net

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