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" thenhow 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" thenhow 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);
}
}Copyright © 2021 Codeinu
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