JAVA PROGRAMS-Matrix Program in Java

Matrix Program in Java

  Program Name:- matrix.java 

import java.io.*;

class matrix

{

public static void main(String args[])throws IOException

{

 DataInputStream in=new DataInputStream(System.in);

 int i,j,m,n,k;

 int a[][]=new int[10][10];

 int b[][]=new int[10][10];

 int c[][]=new int[10][10];

 int d[][]=new int[10][10];

 System.out.print("\n Enter the row and column\n\n");

 m=Integer.parseInt(in.readLine());

 n=Integer.parseInt(in.readLine());

 System.out.print("\n Enter the element of matrix A\n\n");

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 a[i][j]=Integer.parseInt(in.readLine());

 }

 }

 System.out.print("\n Enter the element of matrix B\n\n");

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 b[i][j]=Integer.parseInt(in.readLine());

 }

 }

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 for(k=0;k<m;k++)

 {

 c[i][j]=c[i][j]+a[i][k]*b[k][j];

 }

 }

 }

 System.out.print("\n A matrix\n");

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 System.out.print(a[i][j]+"\t");

 }

 System.out.println();

 }

 System.out.print("\n B matrix\n");

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 System.out.print(b[i][j]+"\t");

 }

 System.out.println();

 }

 System.out.print("\n Multipul matrix\n");

 for(i=0;i<m;i++)

 {

 for(j=0;j<n;j++)

 {

 System.out.print(c[i][j]+"\t");

 }

 System.out.println();

 }

 }

}

JAVA PROGRAMS-Student Details Program in Java

Student Details Program in Java

Program Name:- student1.java

import java.io.*;

class studentdetail

{

int sno;

String sname,major,yos;

 void getdata()throws IOException

 {

 DataInputStream in=new DataInputStream(System.in);

 System.out.print("\n Enter the student number\t:");

 sno=Integer.parseInt(in.readLine());

 System.out.print("\n Enter the student name\t:");

 sname=in.readLine();

 System.out.print("\n Enter the student Major\t:");

 major=in.readLine();

 System.out.print("\n Enter the year of student\t:");

 yos=in.readLine();

 }

}

class markdetails extends studentdetail

{

int m1,m2,m3,m4,tot;

String res;

void read()throws IOException

 {

 DataInputStream in=new DataInputStream(System.in);

 getdata();

 System.out.print("\n Enter the mark1\t:");

 m1=Integer.parseInt(in.readLine());

 System.out.print("\n Enter the mark2\t:");

 m2=Integer.parseInt(in.readLine());

 System.out.print("\n Enter the mark3\t:");

 m3=Integer.parseInt(in.readLine());

 System.out.print("\n Enter the mark4\t:");

 m4=Integer.parseInt(in.readLine());

 }

void total()

 {

 tot=m1+m2+m3+m4;

 }

 void result()

 {

 if((m1>=50)&&(m2>=50)&&(m3>=50)&&(m4>=50))

 res="Pass";

 else

 res="Fail";

 }

 void display()

 {

 System.out.println("\n\n \t Student details \n\n");

 System.out.println("\n Student number\t:"+sno);

 System.out.println("\n Student name\t:"+sname);

 System.out.println("\n Student major\t:"+major);

 System.out.println("\n Year of Study\t:"+yos);

 System.out.print("\n mark1: \t"+m1+"\n\n mark2: \t"+m2+"\n\n mark3: \t"+m3+"\n\n mark4: \t"+m4);

 System.out.print("\n\n Total: \t"+tot+"\n\n Result: "+res);

 }

}

class student1

{

public static void main(String[]args)throws IOException

{

markdetails in=new markdetails();

in.read();

in.total();

in.result();

in.display();

}

}