delete characters from string 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 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 4: how to delete character in string java

# subString(int start, int end);

String a = "Hello!";
b = a.subString(0,a.length()-1) #Remove the last String
# b should be "Hello" then