Java String and Character Classes Revision

To convert a char from lower to upper case, use

• toUpperCase()

• ToUpperCase()

• toUpper()

• capitalise()

The toUpperCase() method of the Character class is

• static

• non-static

A typed method is one that _____ a value

• returns

• changes

• updates

• prints

non-static methods are called using the form:

objectName.methodName()

• true

• false

• sometimes

Void methods ____ return a value

• do

• do not

To find out how long the String below is use:

String city = "Johannesburg"

• String.length()

• city.length()

• city.charCount()

• String.chars()

To find out if two Strings are equal we use

• ==

• equals()

• equalsIgnoreCase()

• isSame()

The charAt() method extracts ____ characters from a String

• one

• many

• two

"Johannesburg".substring(2,5)

will return:

• ohan

• han

• hann

• oha

To find out if a word contains an "x" or not, use

• word.indexOf("x")

• word.index("x")

• word.has("x")