/*
Aim : Write a program to demonstrate concept of array string and vector.
*/
import java.lang.*;
import java.io.*;
import java.util.*;
class pr_3
{
public static void main(String argv[]) throws IOException
{
int i,j,cnt,temp;
String s1,s2,s3;
s1=argv[0];
s2=argv[1];
System.out.println("\n\n**************String Related Operations *****************");
System.out.println("\t 1) Display ");
System.out.print("\n\t String s1 = "+s1);
System.out.print("\n\t String s2 = "+s2);
System.out.print("\n\n\t 2) Length ");
System.out.print("\n\t Length of String s1 = "+s1.length());
System.out.print("\n\t Length of String s2 = "+s2.length());
System.out.print("\n\n\t 3) Substring ");
s3=s1.substring(3,6);
System.out.print("\n\t Substring of String s1(3,6) = "+s3);
s3=s2.substring(3);
System.out.print("\n\t Substring of String s2(3) = "+s3);
System.out.print("\n\n\t 4) Concatination ");
System.out.print("\n\t Concatination of String s1 & s2 is = "+s1+s2);
System.out.print("\n\n\t 5) Equality ");
System.out.println("\n\t String s1 and s2 are equal to each other .. => "+s1.equals(s2));
System.out.print("\n****************One Diamentional array*************************");
int no[];
no=new int[20];
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.print("\n\tEnter Count of numbers to insert in array : ");
cnt=Integer.parseInt(br.readLine());
for(i=0;i<cnt;i++)
{
System.out.print("\n\tEnter no of location "+ i +" = " );
no[i]=Integer.parseInt(br.readLine());
}
System.out.print("\n\tContents of array are : ");
for(i=0;i<cnt;i++)
{
System.out.print("\t"+no[i]);
}
System.out.print("\n\tSorted array is : ");
for(i=0;i<cnt;i++)
{
for(j=0;j<cnt;j++)
{
if(no[i]>no[j])
{
temp=no[i];
no[i]=no[j];
no[j]=temp;
}
}
}
for(i=0;i<cnt;i++)
{
System.out.print("\t"+no[i]);
}
System.out.println("\n*************Multidiamentional (ie example of 2d) Array***********");
int mat1[][],mat2[][],mat3[][],r,c;
mat1 = new int [5][5];
mat2 = new int [5][5];
mat3 = new int [5][5];
System.out.print("\n\tEnter no of rows : ");
r=Integer.parseInt(br.readLine());
System.out.print("\n\tEnter no of columns : ");
c=Integer.parseInt(br.readLine());
System.out.println("\n\tEnter Matrix 1 ");
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
System.out.print("\t");
mat1[i][j]=Integer.parseInt(br.readLine());
}
System.out.print("\n");
}
System.out.println("\n\tEnter Matrix 2 ");
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
System.out.print("\t");
mat2[i][j]=Integer.parseInt(br.readLine());
}
System.out.print("\n");
}
System.out.println("\n\tAddition of Matrix 1 and Matrix 2 is : ");
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
mat3[i][j]=mat1[i][j]+mat2[i][j];
System.out.print("\t"+mat3[i][j]);
}
System.out.print("\n");
}
System.out.print("\n********************Vector Demonstration *****************");
Vector<Integer> v = new Vector<Integer>(20);
System.out.print("\n\t1)Status....");
System.out.print("\n\n\tInitial size = "+v.size());
System.out.print("\n\tInitial Capacity = "+v.capacity());
System.out.print("\n\t2)Inserting elements last ....");
System.out.print("\n\tEnter no of Element to insert : ");
cnt=Integer.parseInt(br.readLine());
for(i=0;i<cnt;i++)
{
System.out.print("\n\t\tEnter "+ i +" no element : ");
j=Integer.parseInt(br.readLine());
v.add(j) ;
}
//v.addElement(2); //method 2
//v.addElement(new Integer(3)); //method 3
System.out.print("\n\tNow size = "+v.size());
System.out.print("\n\n\t3)Display content ");
System.out.print("\n\tContent of Vector are : ");
for(i=0;i<v.size();i++)
{
System.out.print(" "+v.get(i));
}
System.out.print("\n\n\t3)Inserting Element by index ");
System.out.print("\n\t\tEnter index no : ");
j=Integer.parseInt(br.readLine());
System.out.print("\n\t\tEnter element : ");
temp=Integer.parseInt(br.readLine());
v.add(j,temp);
System.out.print("\n\tContent of Vector are : ");
for(i=0;i<v.size();i++)
{
System.out.print(" "+v.get(i));
}
System.out.print("\n\n\t4.Finding element ");
System.out.print("\n\t\tEnter element to find : ");
j=Integer.parseInt(br.readLine());
System.out.print("\n\t\tElement present : "+v.contains(j));
System.out.print("\n\n\t5.Finding First element ");
System.out.print("\n\t\tFirst Element is = "+v.firstElement());
System.out.print("\n\n\t6.Finding Last ");
System.out.print("\n\t\tLast Element is = "+v.lastElement());
System.out.print("\n\n\t7.Replace by index ");
System.out.print("\n\t\tEnter index no : ");
j=Integer.parseInt(br.readLine());
System.out.print("\n\t\tEnter element : ");
temp=Integer.parseInt(br.readLine());
v.set(j,temp);
System.out.print("\n\tContent of Vector are : ");
for(i=0;i<v.size();i++)
{
System.out.print(" "+v.get(i));
}
System.out.print("\n\n\t8.Remove element by index");
System.out.print("\n\t\tEnter index no : ");
j=Integer.parseInt(br.readLine());
v.remove(j);
System.out.println("\n\tContent of Vector are : ");
for(i=0;i<v.size();i++)
{
System.out.print(" "+v.get(i));
}
}
}
/* OUTPUT
prashant@prashant-OptiPlex-755:~$ javac pr_3.java
prashant@prashant-OptiPlex-755:~$ java pr_3 prashant gunjal
******************String Related Operations *********************
1) Display
String s1 = prashant
String s2 = gunjal
2) Length
Length of String s1 = 8
Length of String s2 = 6
3) Substring
Substring of String s1(3,6) = sha
Substring of String s2(3) = jal
4) Concatination
Concatination of String s1 & s2 is = prashantgunjal
5) Equality
String s1 and s2 are equal to each other .. => false
****************One Diamentional array**************************
Enter Count of numbers to insert in array : 5
Enter no of location 0 = 8
Enter no of location 1 = 5
Enter no of location 2 = 6
Enter no of location 3 = 1
Enter no of location 4 = 3
Contents of array are : 8 5 6 1 3
Sorted array is : 8 6 5 3 1
*************Multidiamentional (ie example of 2d) Array******************
Enter no of rows : 3
Enter no of columns : 3
Enter Matrix 1
1
2
3
4
5
6
7
8
9
Enter Matrix 2
0
1
2
3
4
5
6
7
8
Addition of Matrix 1 and Matrix 2 is :
1 3 5
7 9 11
13 15 17
*************************Vector Demonstration *********************
1)Status....
Initial size = 0
Initial Capacity = 20
2)Inserting elements last ....
Enter no of Element to insert : 4
Enter 0 no element : 1
Enter 1 no element : 2
Enter 2 no element : 3
Enter 3 no element : 4
Now size = 4
3)Display content
Content of Vector are : 1 2 3 4
3)Inserting Element by index
Enter index no : 2
Enter element : 60
Content of Vector are : 1 2 60 3 4
4.Finding element
Enter element to find : 60
Element present : true
5.Finding First element
First Element is = 1
6.Finding Last
Last Element is = 4
7.Replace by index
Enter index no : 0
Enter element : 8
Content of Vector are : 8 2 60 3 4
8.Remove element by index
Enter index no : 3
Content of Vector are : 8 2 60 4
prashant@prashant-OptiPlex-755:~$ ^C
prashant@prashant-OptiPlex-755:~$
*/
