State the data type and value of y after the following is executed: char x = 7; y = Character.isLetter(x); - Computer Applications

State the data type and value of y after the following is executed: char x = 7; y = Character.isLetter(x);

Answer in Brief

y = false.
data type of y is boolean.

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Introduction of Values and Data Types

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Chapter 2: Library Classes - Review Insight [Page 175]

Chapter 2 Library Classes
Review Insight | Q 1. | Page 175

Q 3.a | 2 marks

Write the return data type of the following function: startsWith( )

Write the return data type of the following function: random( )

If the value of basic=1500, what will be the value of tax after the following statement is executed?

tax = basic > 1200 ? 200 : 100

What is the value of xl if x=5?
x1 = + +x – X+ + + –x

What is the type of casting shown by the following example:

char c = (char) 120;

Evaluate the value of n. if value of p = 5, q = 19
int n = (q – p) > (p – q) ? (q – p) : (p – q)

Arrange the following primitive-data types in ascending order of their size:
(i) char (ii) byte (iii) double (iv) int

What is the value of y after evaluating the expression given below?

y+= ++y + y-- + --y; when int y=8;

What are the values of a and b after the following function is executed if the values passed are 30 and 50?

void paws(int a, int b) 
{ a = a + b; 
  b = a - b; 
  a = a - b;' 
System.out.println(a + "," + b); 
}

State the value of y after the following is executed:

char x = '7';

y = Character.isLetter(x);