how to remove character from a string java code example
Example 1: 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 2: 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 3: how to remove letters from string java
public extractLetters(String str){
String result="";
for(int i= 0; i< str.length; i++){
if(Character.isLetter(str.charAt(i))){
result+=str.charAt(i);
}
}