String Method

The "length" of a string is just the number of chars in it.

• TRUE

• FALSE

"Practice".compareTo("Perfect")

• 0

• -1

• 10

• 13

Which of these operators can be used to concatenate two or more String objects?

• +

• &

• +=

• None

Which of these method of class String is used to extract a single character from a String object?

• CHARAT()

• charat()

• charAt()

• CharAt()

Which of these data type value is returned by equals() method of String class?

• char

• int

• boolean

• All of the mentioned

Which of these method of class String is used to remove leading and trailing whitespaces?

• startsWith()

• trim()

• Trim()

• doTrim()

Which of the following statement is correct?

• replace() method replaces all occurrences of one character in invoking string with another character.

• replace() method replaces only first occurrence of a character in invoking string with another character.

• replace() method replaces all the characters in invoking string with another character.

• replace() method replaces last occurrence of a character in invoking string with another character.

String str = "Java Programming";

String str1 = "Java";

String str2 = str.substring(5);

System.out.print(str2);

System.out.println(str.substring(5, 9));

String str = " Java Programming ";

System.out.println(str.trim());

• Java Programming

• JavaProgramming

String str = "Java Programming";

char ch = str.charAt(2);

System.out.println(ch);