You need to do these questions

Thank you. This is for operating systems.

Program1 import java.util.* public class Overflow ( static final int INPUT SIZE-10; public static void main(Stringt] args) ( char[] vals new char[INPUT SIZE] scanner scan new scanner (System.in); String s1 getstring (scan) copyVals(s1,vals): string sub getSubstring(scan,vals): system.out.println( sub string: +sub) public static String getstring(Scanner scan) t System.out.print("Please type a string:"a string s scan.nextLine() return S public ??tatic void copyvais (String ?,char[] vals) { for (int -o;