java print finnish letter of string code example

Example 1: capitalize string java

String str = "hello world!";

// capitalize first letter
String output = str.substring(0, 1).toUpperCase() + str.substring(1);

// print the string
System.out.println(output);
// Hello world!

Example 2: print a letter in java

System.out.println(name.substring(1, Math.min(name.length(), 4)));