// Input is from the file "input.txt" in the form (a1,t1),(a2,t2),(a3,t3) (arrival time, time to complete ie, burst time) import java.io.*; import java.util.*; public class SJFHeap { static class point { double time; double run; int no; double total; point(int i, double a, double b) { no = i; time = a; run = b; total = 0; } } static class MHeap { private point[] Heap; p...