Using Objects in AP Computer Science A

One - "bool"

Three - None can be formed as specified.

Two - "boolea" and "boolean"

One - "boolean"

53

8

"53"

"8"

toUpperCase()

.toLowerCase()

.toUpperCase()

toLowerCase()

The first n characters of that string.

All characters after index n until the end.

The entire original string unchanged.

A random substring within the original string.

str.toCharArray("o").toString()

str.replaceFirst("x", o")

("x".replaceIn(str, o")

str.replaceAll("x", "o")

new StringBuilder("")

StringBuilder.new()

StringBuilder.empty()

new StringBuilder()

NOISRECURESION

NOISRUERC

RECURSION

RECUSRION

System.out.println(word.substring(7));

System.out.println(word.substring(5, word.length() - 1));

System.out.println(word.substring(0, word.length() - 5));

System.out.println(word.substring(5));

concat()

toString()

equals()

length()

A single-character string starting at beginIndex is returned.

An empty string is returned.

endIndex character alone makes up the new string.

IllegalArgumentException is thrown.