Read a word user input in java

Complete source code below, will show you how to wait and read only a word from user input in command prompt.

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COMPLETE SOURCE CODE FOR : ReadOneWordUserInput.java
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import java.util.Scanner;

public class ReadOneWordUserInput
{
public static void main(String[]args)
{
 //Create a scanner object
 //Scanner is a predefined class in java that will be use to scan text
 //System.in is mean, we will receive input from standard input stream
 Scanner readUserInput=new Scanner(System.in);

 //Print into command prompt(What is your gender ?)
 //Print into command prompt(Female/Male)
 System.out.println("What is your gender ?\nFemale/Male");

 //Wait and READ A WORD from user input after user hit 'Enter'
 //Method next() in class scanner will read only first word in user input
 //So, second word that seperate by space will be ignore.
 String myGender=readUserInput.next();

 //Print what store in myGender
 System.out.println(myGender);
}
}

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Set word wrap in JTextArea

Complete source code below will show you, how to set word wrap in JTextArea.

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COMPLETE SOURCE CODE FOR : SetWordWrapInJTextArea.java
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import javax.swing.*;

public class SetWordWrapInJTextArea
{
public static void main(String[]args)
{
 JTextArea textArea=new JTextArea();

 //Set word wrap in JTextArea
 textArea.setWrapStyleWord(true);

 //Set line wrap in JTextArea
 textArea.setLineWrap(true);

 JFrame frame=new JFrame("Set word wrap in JTextArea");

 frame.add(textArea);

 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 frame.setSize(500,500);

 frame.setLocationRelativeTo(null);

 frame.setVisible(true);
}
}

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Determine String end with specified word

Complete source code below will show you, how to determine whether a String end with specified word or not.

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COMPLETE SOURCE CODE FOR : DetermineStringEndWithWord.java
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public class DetermineStringEndWithWord
{
public static void main(String[]args)
{
 //First String
 //You can try change it
 String a="Hello";

 //Second String
 //You can try change it
 String b="llo";

 //Determine if first String end with second String or not
 //If yes, program will print YES, otherwise it will print NO
 if(a.endsWith(b))
 {
  System.out.println("YES");
 }
 else
 {
  System.out.println("NO");
 }
}
}

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Determine String start with specified word

Complete source code below will show you, how to determine whether a String start with specified word or not.

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COMPLETE SOURCE CODE FOR : DetermineStringStartWithWord.java
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public class DetermineStringStartWithWord
{
public static void main(String[]args)
{
 //First String
 //You can try change it
 String a="Hello";

 //Second String
 //You can try change it
 String b="Hel";

 //Determine if first String start with second String or not
 //If yes, program will print YES, otherwise it will print NO
 if(a.startsWith(b))
 {
  System.out.println("YES");
 }
 else
 {
  System.out.println("NO");
 }
}
}

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Replace word in a sentence using java

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COMPLETE SOURCE CODE FOR : ReplaceAWordInASentence.java
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public class ReplaceAWordInASentence
{
public static void main(String[]args)
{
 String a="Hello World";

 //REPLACE Hello WITH Hi
 String b=a.replaceAll("Hello","Hi");
 a=b;
 System.out.println(a);

 //REPLACE World WITH Dude
 b=a.replaceAll("World","Dude");
 a=b;
 System.out.println(a);
}
}

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Search character or word in a sentence using java

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COMPLETE SOURCE CODE FOR : SearchCharacterOrWordInASentence.java
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public class SearchCharacterOrWordInASentence
{
public static void main(String[]args)
{
 //-1 mean the word or character that you search not exist

 String a="Hello World !!!";

 //SEARCH CHARACTER
 int b=a.indexOf('H');
 if(b!=-1)
 {
  System.out.println("H exist");
 }

 //SEARCH Hello IN Hello World !!!
 int c=a.indexOf("Hello");
 if(c!=-1)
 {
  System.out.println("Hello exist");
 }
}
}

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Get word from a sentence in java

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COMPLETE SOURCE CODE FOR : GetWordFromASentence.java
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public class GetWordFromASentence
{
public static void main(String[]args)
{
 //This source code will show you how to get word Hello from sentence Hello World

 //You can use method substring(index_for_first_letter_for_word,index_for_last_letter_plus_one)

 //Index start with 0

 //Blank space also count.In this case, space between Hello and world take 5 for it's index

 String a="Hello world!!";
 String b=a.substring(0,5);

 System.out.println(b);
}
}

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How to determine a word contain or not in a sentence using java ???

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COMPLETE SOURCE CODE FOR : DetermineStringContainSubstring.java
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public class DetermineStringContainSubstring
{
public static void main(String[]args)
{
 String a="Welcome to java world";

 String substring1="Welcome to java world";
 String substring2="elc";
 String substring3="Wel";
 String substring4=" t";
 String substring5="rld";

 //CHECK MATCH WHOLE WORD
 if(a.matches(substring1))
 {
  System.out.println("substring1 match to a");
 }

 //CHECK SUBSTRING NOT LOCATE AT START OR END OF STRING
 if(a.indexOf(substring2)>0)
 {
  System.out.println("substring2 contain in a");
 }

 //CHECK SUBSTRING NOT LOCATE AT START OR END OF STRING
 if(a.indexOf(substring4)>0)
 {
  System.out.println("substring4 contain in a");
 }

 //CHECK SUBSTRING LOCATE AT START OF STRING
 if(a.startsWith(substring3))
 {
  System.out.println("substring3 contain in a");
 }

 //CHECK SUBSTRING LOCATE AT END OF STRING
 if(a.endsWith(substring5))
 {
  System.out.println("substring5 contain in a");
 }
}
}

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