Syntax

Syntax & Some String Q's

review q's

Multiple Choice

What is the output by the code below?

System.out.print("ac" );

• a\tc

• a c

• atc

• a\c

• ac

Multiple Choice

What is the output by the code below?

System.out.print("ab\\\\ab" );

• ab\ab

• ab

• ab\\ab

• bab

• abb

Multiple Choice

What is the output by the code below?

System.out.println( 3 + "\t" + 3 );

• 6

• 3 3

• 6 6

• 3" "3

• 3 3

Multiple Choice

What is output by the following code?

System.out.println(7 + "" + 5);

• 345

• 39

• 75

• 12

• there is no output due to compile error

Multiple Choice

Consider the following code segment.

String s = "dogfood";

System.out.println( s.substring(0,3) );

• food

• dog

• dogs

• ood

• gfo

Multiple Choice

Consider the following code segment.

String s = "dogfood";

System.out.println( s.length() );

• 3

• 7

• 4

• 5

• 6

Multiple Choice

Consider the following code segment.

String s = "dogfood";

System.out.println( s.substring(4) );

• food

• dog

• dogs

• ood

• dr who

Multiple Choice

Consider the following code segment.

String s = "dogfood";

System.out.println( s.indexOf( "cat" ) );

• 3

• 2

• -1

• 4

• 0

Multiple Choice

What is output by the code below?

String s = "abac-adae-bfbg-bhbi";

int index = s.indexOf("ae");

System.out.println( index );

• 8

• -1

• 6

• 7

• there is no output due to a syntax error