java/PerfectPrime.java at main · hr4official/java · GitHub

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importjava.io.*;
classPerfectimplementsRunnable
{
publicvoidrun()
 {
intno;
for(no=1;no<=1000;no++)
 {
intsum=0;
for(inti=1;i<=no/2;i++)
 {
if(no%i==0)
sum=sum+i;
 }
if(no==sum)
System.out.println(no+" Number is perfect");
 }
 }
}

classPrimeimplementsRunnable
{
publicvoidrun()
 {
intno;
for(no=2;no<=1000;no++)
 {
intcnt=0;
for(inti=2;i<=no/2;i++)
if(no%i==0)
 {
cnt++;
break;
 }
if(cnt==0)
System.out.println(no+" Number is prime");
 }
 }
}


classPerfectPrime
{
publicstaticvoidmain(Stringargs[])
 {
try
 {
Perfectp=newPerfect();
Threadt1=newThread(p);
Primep1=newPrime();
Threadt2=newThread(p1);
t1.start();
t2.start();
 }
catch(Exceptione1){}
 }
}