Mask all the characters except last 4 digit/character
Questions: WAP to mask all the character of string except last 4 characters
Eg: 12324324234354 ##########4354
1213 1223
1 1
spotify ###tify
Solution:
public class Mask {
public static String maskify(String cc) {
String str="";
if(cc.length()<=4)
return cc;
for(int i=cc.length()-5;i>=0;i--) {
str=str+"#";
}
str=str+cc.substring(cc.length()-4,cc.length());
return str;
}
public static void main(String[] args) {
System.out.println(maskify("54321"));
}
}
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