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What is a stream and what are the types of Streams and classes of the Streams?

A stream is sequence of flowing data. Stream is an abstract class in Java, that is used to either read the data or write the data to/from a disk file, device, a network socket, other programs, a memory array etc.

There are two types of streams that Java support :
    * Byte oriented streams.
    * Characters oriented streams.

Classes of the Streams :
    * BufferedInputStream
    * BufferedOutputStream
    * BufferedReader
    * BufferedWriter
    * ByteArrayInputStream
    * ByteArrayOutputStream
    * CharArrayReader
    * CharArrayWriter
    * DataInputStream
    * DataOutputStream
    * FileInputStream
    * FileOutputStream
    * FileReader
    * FileWriter
    * FilterInputStream
    * FilterOutputStream
    * FilterReader
    * FilterWriter
    * InputStream
    * InputStreamReader

	

    * LineNumberReader
    * ObjectInputStream
    * ObjectOutputStream
    * OutputStream
    * OutputStreamWriter
    * PipedInputStream
    * PipedOutputStream
    * PipedReader
    * PipedWriter
    * PrintStream
    * PrintWriter
    * PushbackInputStream
    * PushbackReader
    * RandomAccessFile
    * Reader
    * SequenceInputStream
    * StreamTokenizer
    * StringReader
    * StringWriter
    * Writer
 

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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); }

#include main() { int i=1,j=2; switch(i) { case 1: printf("GOOD"); break; case j: printf("BAD"); break; } }

main() { int i; printf("%d",scanf("%d",&i)); // value 10 is given as input here }

#define f(g,g2) g##g2 main() { int var12=100; printf("%d",f(var,12)); }

main() { int i=0; for(;i++;printf("%d",i)) ; printf("%d",i); }

#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() { struct xx { int x=3; char name[]="hello"; }; struct xx *s=malloc(sizeof(struct xx)); 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() { extern int a; a=20; printf("%d",sizeof(a)); }

main() { printf("%d", out); } int out=100;

main() { printf("%d", out); } int out=100;

main() { extern out; printf("%d", out); } int out=100;

#include main() { struct xx { int x=3; char name[]="hello"; }; struct xx *s=malloc(sizeof(struct xx)); printf("%d",s->x); printf("%s",s->na

#include main() { struct xx { int x=3; char name[]="hello"; }; struct xx *s=malloc(sizeof(struct xx)); printf("%d",s->x); printf("%s",s->name); }

#include main() { struct xx { int x; struct yy { char s; struct xx *p; }; stru

#include main() { struct xx { int x; struct yy { char s; struct xx *p; }; stru

main() { extern int i; i=20; printf("%d",sizeof(i)); }

main() { printf("%d", out); } int out=100;

main() { show(); } void show() { printf("I'm the greatest"); }

main( ) { int m[2][3][2] = {{{2,4},{7,8},{3,4}},{{2,2},{2,3},{3,4}}}; printf("%u %u %u %d \n",m,*m,**m,***m); printf("%u %u %u %d \n",m+1,*m+1,**m+1,***m+1); }

main( ) { int a[ ] = {10,20,30,40,50},j,*p; for(j=0; j<5; j++) { printf(�%d� ,*a); a++; } p = a; for(j=0; j<5; j++) {

main( ) { static int a[ ] = {0,1,2,3,4}; int *p[ ] = {a,a+1,a+2,a+3,a+4}; int **ptr = p; ptr++; printf(�\n %d %d %d�, ptr-p, *ptr-a, **ptr); *ptr++; printf(

main( ){ static int a[ ] = {0,1,2,3,4}; int *p[ ] = {a,a+1,a+2,a+3,a+4}; int **ptr = p; ptr++; printf(�\n %d %d %d�, ptr-p, *ptr-a, **ptr); *ptr++; printf(�\n %d %d %d�, ptr-p

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