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What is coupling?

Coupling is the degree of dependence between the two modules. Coupling is broken down into loose coupling, tight coupling, and decoupled. Coupling is also used to describe software as well as systems. It is good to have low coupling between the modules for better object oreinted design.

More interview questions and answers
What is hashCode?
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main() { int c[ ]={2.8,3.4,4,6.7,5}; int j,*p=c,*q=c; for(j=0;j<5;j++) { printf(" %d ",*c); ++q; } for(j=0;j<5;j++){ printf(" %d ",*p); ++p; } }
main() { extern int i; i=20; printf("%d",i); }
main() { int i=-1,j=-1,k=0,l=2,a; a=i++&&j++&&k++||l++; printf("%d %d %d %d %d",i,j,k,l,a); }
main() { int c=- -2; printf("c=%d",c); }
#define int char main() { int i=65; printf("sizeof(i)=%d",sizeof(i)); }
main() { int a=10; a=!a>14; Printf ("a=%d",a); }
#include main() { char s[]={'a','b','c','\n','c','\0'}; char *p,*str,*str1; p=&s[3]; str=p; str1=s; printf("%d",++*p + ++*str1-32); }
#include main() { int a[2][2][2] = {{10,2,3,4},{5,6,7,8}}; int *p,*q; p=&a[2][2][2]; *q=***a; printf("%d----%d",*p,*q); }
#include main() { struct xx { int x=3; char name[]="vivek"; }; struct xx *s; printf("%d",s->x); printf("%s",s->name); }
#include main() { struct xx { int x; struct yy { char s; struct xx *p; }; struct yy *q; }; }
main() { printf("\nab"); printf("\bsi"); printf("\rha"); }
main() { int i=5; printf("%d%d%d%d%d%d",i++,i--,++i,--i,i); }
#define square(x) x*x main() { int i; i = 125/square(5); printf("%d",i); }
#define square(x) x*x main() { int i; i = 125/square(5); printf("%d",i); }
main() { char *p="hey friends",*p1; p1=p; while(*p!='\0') ++*p++; printf("%s %s",p,p1); }
main() { char *p="hai friends",*p1; p1=p; while(*p!='\0') ++*p++; printf("%s %s",p,p1); }
#include #define i 10 main() { #define i 50 printf("%d",i); }
#define clrscr() 100 main() { clrscr(); printf("%d\n",clrscr()); }
main() { printf("%p",main); }
main() { clrscr(); } clrscr();
enum colors {BLACK,BLUE,GREEN} main() { printf("%d..%d..%d",BLACK,BLUE,GREEN); return(1); }
void main() { char far *farther,*farthest; printf("%d..%d",sizeof(farther),sizeof(farthest)); }
main() { int i=400,j=300; printf("%d..%d"); }
main() { char *p; p="java"; printf("%c\n",*&*p); }
main() { int i=1; while (i<=5) { printf("%d",i); if (i>2) goto here; i++; } } fun() { here: printf("PP"); }
main() { static char names[5][20]={"pascal","ada","cobol","fortran","perl"}; int i; char *t; t=names[3]; names[3]=names[4]; names[4]=t; for (i=0;i<=4;i++) printf("%s
void main() { int a=5; printf("%d",a++ + ++a); }
void main() { int i=5; printf("%d",i+++++i); }