SOME COMPUTER STUFF ON C,JAVA,TALLY,BCA,SOLVED PAPERS

import java.io.*; class Calendar { public static void main(String a[])throws Exception {  ab obj =new ab(); obj.find(); } } class tmp { int d,m,y,mo[]={0,31,28,31,30,31,30,31,31,30,31,30,31},cal=0,i; void input()throws Exception { DataInputStream dd= new DataInputStream(System.in); System.out.println("Enter a day"); d=Integer.parseInt(dd.readLine()); System.out.println("Enter a month"); m=Integer.parseInt(dd.readLine()); System.out.println("Enter a year"); y=Integer.parseInt(dd.readLine()); if(check()==0) {System.out.println("Wrong date"); System.exit(0); } else {cal=calculate(); System.out.println("Days passed" +" "+cal); } } private int check() { int che=1; if((y<=0)||m>12||d>31||y<=0||m<=0||(leap()==0 &&m==2&&d>28)) che=0; else che=1; return che; } private int leap() { if(y%100==0) { if(y%400==0) return (1); return(0); } else if(y%4==...