Class 7 (REVISION)

Who invented Java?

• James Gosling

• Sergey Brin

• Steve Jobs

• Bill Gates

• Tim Berners-Lee

What was Java originally designed for?

• Interactive TV

• Internet

• Gaming

• Cars

Which type of data is used to enter the value ("Welcome")?

• Text

• Characters

• String

• Boolean

Which type of data is used to enter the value (1234.67895)?

• Integer

• Double

• Char

• Void

Which type of data is used to enter the value (True)?

• Float

• Boolean

• Check box

• ٍString

We use Scanner Library in java for...

• Give permissions to the user

• Correcting software errors

• Allows user to read data

• to enter data as input

When we want to print in Java, we use the code ......

• system.out.print();

• System.out.println();

• System.Out.Printf();

• System.out.show();

What would the new value of A be?

A=1;

a++;

• 1

• 2

• 3

• 4

What's the value of below?

int i=5;

System.out.println(i);

System.out.println(++i);

• 6

• 6

• 7

• 5

What does the following code output?

int x = 1;

System.out.println(x++);

• 1

• 2

• compilation error

• runtime error