delete char from strin java code example

Example 1: Java remove character from string

// remove last character from string in java
public class SubstringDemo
{
   public static void main(String[] args)
   {
      String strInput = "Flower Brackets!";
      String strOutput = strInput.substring(0, strInput.length() - 1);
      System.out.println(strOutput);
   }
}

Example 2: Java remove character from string

// how to remove particular character from string
public class RemoveParticularCharacter
{
   public static void main(String[] args)
   {
      String strInput = "Hello world java";
      System.out.println(removeCharacter(strInput, 6));
   }
   public static String removeCharacter(String strRemove, int r)
   {
      return strRemove.substring(0, r) + strRemove.substring(r + 1);
   }
}

Example 3: java string remove character

String str = "abcdDCBA123";
String strNew = str.replace("a", ""); // strNew is 'bcdDCBA123'

Example 4: Java remove character from string

// Java remove character from string
public class RemoveOnlyLetters
{
   public static void main(String[] args)
   {
      String strExample = "jd15352kLJJD55185716kdkLJJJ";
      System.out.println("Before: " + strExample);
      strExample = strExample.replaceAll("[a-zA-Z]", "");
      System.out.println("After: " + strExample);
   }
}

Example 5: java remove string from character

String str = "abcdDCBA123";
String strNew = str.replace("a", ""); // strNew is 'bcdDCBA123'