» » Remove Character from string in java


#1: Java Program to Remove all occurrences of a string 

  1. package com.instanceofjava;
  2.  
  3. class RemoveCharString{
  4.  
  5. public static void main(String [] args){ 

  6.   String str = "Java";
  7.     str = str.replace("a", "");
  8.     System.out.println(str);
  9. }
  10. }
Output:
  1. Jv

#2: Java Program to Replace First occurance of Specific index char in a String

  1. package com.instanceofjava;
  2.  
  3. class RemoveCharString{
  4.  
  5. public static void main(String [] args){ 

  6.   String str = "Java";
  7.  
  8. //String result = str.substring(0, index) + str.substring(index+1);
  9.  
  10.   String result = str.substring(0, 1) + str.substring(1+1);
  11.   System.out.println(result);
  12.  
  13. }
  14. }


Output:
  1. Jva


#3: Java Program to Remove all Numbers from a string.

  1. package com.instanceofjava;
  2.  
  3. class RemoveNumberString{
  4.  
  5. public static void main(String [] args){ 

  6.   String str = "Instance12ofjava143";
  7.   str = str.replaceAll("[0-9]","")
  8.   System.out.println(str);
  9.  
  10. }
  11. }
Output:
  1. Instanceofjava

Instance Of Java

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