Computer Applications

Raj was asked to accept the phone number which has 10 digits, using the appropriate method of Scanner class. Which of the following statement he must choose?
Ob.nextInt()
Ob.nextDouble()
Ob.nextLong()
Ob.next().chatAt(0)

Input in Java

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Answer

Ob.nextLong()

Reason — Raj must use Ob.nextLong() because a 10-digit phone number exceeds the range of the int data type. The long data type can handle larger values, making it suitable for storing 10-digit numbers.

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Computer Applications

Raj was asked to accept the phone number which has 10 digits, using the appropriate method of Scanner class. Which of the following statement he must choose?
Ob.nextInt()
Ob.nextDouble()
Ob.nextLong()
Ob.next().chatAt(0)

Input in Java

Answer

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Computer Applications

Raj was asked to accept the phone number which has 10 digits, using the appropriate method of Scanner class. Which of the following statement he must choose?Ob.nextInt()Ob.nextDouble()Ob.nextLong()Ob.next().chatAt(0)

Input in Java

Answer

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Raj was asked to accept the phone number which has 10 digits, using the appropriate method of Scanner class. Which of the following statement he must choose?
Ob.nextInt()
Ob.nextDouble()
Ob.nextLong()
Ob.next().chatAt(0)

What is the highest index of any array with 100 elements?
100
101
99
98

Mr. Sanjay is an event manager, he plans and allots duties to each of his subordinates to handle different events. In a program, a task is divided into simple methods. Name the feature used in these contexts.
Complexity
Modularity
Reusability
Monolithic

Raj wanted to count the number of digits in a given number without using a loop. Which of the following statements is correct to perform the above?
String.valueOf(n).length()
Integer.parseInt(n).length()
n.length()
All the above

Sham was asked to encode a string S, by replacing the letter E with #. Select the appropriate statement:
S.replace('#','E')
S.replace('E')
S.replace('E', '#')
S.replace('#')