Rupa Pandit solutions for Computer Applications [English] Class 10 ICSE chapter 7A - Arrays - One Dimension [Latest edition]

A single dimensional array has N elements in it. What is the last subscript?

Given:

int a[ ] = new int [5];//declaration of array

a[3]=5;

The code will generate ______.

Identify the true statement.

Given:

int car[]= new int [10];

The name of the array is ______.

Given:

int n = 0;
int ar[] = new int [n];
ar[0] =25;
System.out.print(" ar0] =“ + ar[0]);

The code will generate ______.

Given:

int ta[ ] = {11, 22, 33, 44, 55};
ar[3]+= ar[2];
System.out.print(“ ar[3]=" + ar[3]);

The output will be ______.

Given:

int KH[] = {0, 0, 0, 0, 0, 0}
int len = KH.length;
system.out.print("array length="+len);

The output will be ______.

Given:

int AM[]= {3, 6, 12, 24, 48 96};
for (int p= 3; p<6 ; p++)
System.out.print ("*" + AM[p]/2);

The output will be ______.

Identify the false statement.

Given:

int PM[] = {650, 525, 475, 325, 250, 175 };
for (int p = 5; p>=1 ; p--)
System.out.print (" % “ + PM[p]%100);

The output will be ______.

Java statement to access the 5th element of an array is:

What is the use of an array?

What is the use of keyword ‘new’?

What is the difference between static and dynamic allocation?

int ad[] = {25, 5, 45, 4, 92, 2, 29, 9};
int ap = (ad[0] + ad[7]) /ad[5];
System.out.print(" Result =" + ap);

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

int CQ[] = {10, 20, 30};
CQ[0]++; CQ[1]+; CQ[3]++;
      for(int j = 0; j <3; j++)
System.out.print (""+ CQ[j]);

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

int LP[] = {11, 44, 77, 33, 55);
for(int j = 0; j <= 4; j++)
LP[j] += j;

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

double KB[] = {3.12, 4.64, 5.57, 6.23, 7.25};
for( int j=0; j<= 5; j++)
KB[j] = (int)KB[j];
System.out.print("KB[2] =" + KB[2]);

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

double FZ[] = {3.12, 4.64, 5.57, 6.23, 7.25);
boolean asc = true;
for( int j = 0; j<= 3; j++)
{
     if(FZ[j] >FZ[j+1])
     {
         asc = false;
     }
}
System.out.print(" ASC =" + asc);

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

int GY[] = {3.12, 4.64, 5.57, 6.23, 7.25};
boolean desc = true;
for(int j = 0; j<=3; j++)
 {
    if(GY[j]>GY[j+1])
    {
        desc = false;
     break;
 }
}

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

int YM[] = { 512, 312, 452, 652, 782};
boolean all = true;
for(int j = 0; j <5; j++)
{
   if(YM[j]%10 !=2)
   {
      all = false;
   }
}
System.out.print(" ALL =" + all);

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

int MW[ ] = {21, 56, 31, 459, 52, 742, 26};
boolean some = false;
for(int j = 0; j <MW.length; j++)
{
    if (MW[j]/100 > 0)
    {
        System.out.print("Some Value is :" + MW[j]);
        some = true;
        break;
    }
}
System.out.print(" SOME = " + some);

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

In the above code h(i),

replace the array by

int MW[] = {56, 21, 33, 78, 95};

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

int ZR[] = {0, 0, 0, 0, 0, 0, O};
ZR[0] = 2;
for(int j =1; j < ZR.length; j++)
{
      ZR[j] = ZR[j -1] * 2;
}
System.out.print(" The array is : ");
for(int j = 0; j < ZR.length; j++)
      System.out.print (" " + ZR[j]);

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

int HC[ ] = {1, 2, 3, 4, 5, 6};
int n = HC.length -1;
for(int j = 0; j <=n/2; j++)
{
    HC[j] = HC[n-j];
System.out.println(" The array is: ");
for( intj = 0; j <HC.length; j++)
System.out.print("" + HC[j]);

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

int WH[] = {11, 22, 33, 44, 55, 66, 77};
int n = WH.length -1;
for(int j = 0; j<=n/2; j++)
{
    int tmp = WH[j];
    WH[j] =WH[n - j];
    WH[j] =WH[n - j];
}
System.out.print(" The array is: ");
for(int j = 0; j<WH.length; j++)
    System.out.print(" " + WH[j]);

Some of the code given below contains errors. Identify the error and correct it. Write the output of the correct/corrected code.

int DL[ ] = new int [5];
int n = 5;
for(int j = 0; j<=n; j++)
    System.out.print(" " + DL[j]);

Write a program for the following.

Create an array AW[ ] of type int and size 8 and fill it with variables. Print those elements which have last digit 3.

For example:

Write a program for the following.

Create an array DW[ ] of type double and size 8 and fill it with variables. Calculate the average of the maximum and the minimum element.

For example:

Write a program for the following.

Fill two arrays TA[ ] and TB[ ] of size 7 and type integer each. Create a third array TC[ ] that contains the elements of the second array (TB[ ]) followed by the elements of the first array (TA [ ]).

Write a program for the following.

Create an array ZR[] of type int and size 10 and fill it with variables. Create another array NZR[ ] that contains only the non zero elements of array ZR[ ].

For example:

Write a program for the following.

Create an array RW[ ] of type int and size 8 and fill it with variables. Create another array EW[ ] that contains the even elements of RW[ ] in front followed by the odd elements.

For example:

Write a program for the following.

Create two arrays STP[ ] and STQ[ ], both of type int and size 8 and fill them with variables. Create a third array STUN[ ] that contains all the elements from both the arrays without any repetition.

For example:

Write a program for the following.

Create two arrays TEC[ ] and TEH[ ], both of type int and size 8 and fill them with variables. Create a third array TIN[ ] that contains only the common elements of both the arrays.

For example:

Consider the given array and answer the question given below:

int x[ ] {4; 7,9,66,72,0,16);

What is the length of the array?

Consider the given array and answer the question given below:

int x[ ] {4; 7,9,66,72,0,16);

What is the value in x[4]?