String Methods in Java

Multiple Choice

What is the output?

String word1 = "Hello";

String word2 = "hello";

System.out.println(word1.equals(word2);

• true

• false

Multiple Choice

What is the output?

String word1 = "Day";

System.out.println(word1.length( ));

• 1

• 2

• 3

• 4

Multiple Choice

What is the output?

String word1 = "Day Old";

System.out.println(word1.length( ));

• 3

• 5

• 6

• 7

Multiple Choice

What is the output?

String word1 = "Happy Days";

System.out.println(word1.charAt(0);

• D

• H

• Happy

• Days

Multiple Choice

What is the output?

String word1 = "Happy Days";

System.out.println(word1.charAt(2);

• H

• a

• p

• y

Multiple Choice

What is the output?

String word1 = "Happy Days";

System.out.println(word1.substring(0,4);

• Happy

• Days

• Hap

• Happ

Multiple Choice

What is the output?

String word1 = "Happy Days";

System.out.println(word1.substring(4,9);

• y Days

• Day

• Days

• y Day

Multiple Choice

What is the ouput?

String word1 = "Hello";

String word2 = "hello";

System.out.println(word1.equals(word2);

System.out.println(word1.equalsIgnoreCase(word2);

• true

  true

• true

  false

• false

  true

• false

  false

String str = "class";

​What does str.length( ) equal?

String str = "class";

​What is the output?

Multiple Choice

What is the output?

String word1 = "stressful";

System.out.println(word1.substring(3));

• essful

• e

• r

• ressful

Overloading

substring(int) vs. substring(int, int)

This is an example of overloading. Java is smart enough to know that when you only use one integer, then give the rest of the string.

​

If you use two integers, then you are only getting part of the string.​

Open Ended

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