(2.7) String Methods

String str = "Hello World";

int len = str.length();

System.out.prinlnt(len);

What is the output?

Answer explanation

the length() method returns the number of characters in a String

String str = "CompSci Rocks";

int len = str.length();

System.out.prinlnt(len);

What is the output?

Answer explanation

the length() method returns the number of characters in a String

String str = "Hello World";

String part = str.substring(0, 1);

System.out.println(part);

What is the output?

Answer explanation

the substring() method returns specific section of a String

String str = "CompSci Rocks";

String part = str.substring(0, 1);

System.out.println(part);

What is the output?

Answer explanation

the substring() method returns specific section of a String

String str = "Hello World";

String part = str.substring(3, 4);

System.out.println(part);

What is the output?

Answer explanation

the substring() method returns specific section of a String

String str = "CompSci Rocks";

String part = str.substring(3, 4);

System.out.println(part);

What is the output?

Answer explanation

the substring() method returns specific section of a String

String str = "Hello World";

String part = str.substring(2, 7);

System.out.println(part);

What is the output?

Answer explanation

the substring() method returns specific section of a String

String str = "CompSci Rocks";

String part = str.substring(2, 7);

System.out.println(part);

What is the output?

Answer explanation

the substring() method returns specific section of a String

String str = "Hello World";

String part = str.substring(3, 9);

System.out.println(part);

What is the output?

Answer explanation

the substring() method returns specific section of a String

String str = "CompSci Rocks";

String part = str.substring(3, 9);

System.out.println(part);

What is the output?

Answer explanation

the substring() method returns specific section of a String