String Methods Quiz

Last updated about 2 years ago

21 questions

4

20

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(0,3) );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.length() );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(2,5) );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(4) );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(3).length() );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.indexOf( "dog" ) );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.indexOf( "oo" ) );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.indexOf( "cat" ) );

What is output by the code below?
String s = "abac-adae-bfbg-bhbi";
int index = s.indexOf("ae");
System.out.println( index );

What is output by the code below?
String s = "abac-adae-bfbg-bhbi";
int index = s.indexOf("-b");
System.out.println(s.substring(index));

DIRECTIONS :  Fill in each blank with the correct answer/output.  Assume each statement happens in order and that one statement may affect the next statement.
String one = "apcomputersciencerocks";
String two = "098765210AB#";
String three = "02 13 998 45 0";

4

System.out.print( one.length());

4

System.out.print( two.length());

4

System.out.print( three.length());

4

System.out.print( one.substring(0,4) );

4

System.out.print( one.substring(5) );

4

System.out.print( one.substring(9) );

4

System.out.print( one.indexOf( "c" ) );

4

System.out.print( one.indexOf( "sci" ) );

4

System.out.print( one.indexOf( "code" ) );

4

System.out.print( one.lastIndexOf( "c" ) );

DIRECTIONS : Write a return method named wow that return the last ½ of a string plus the word "FUN". The call wow("compze") returns "pzeFUN"

public static String wow( String s ){
///your code goes here///
}

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(0,3) );

ood

dog

dogs

gfo

food

Consider the following code segment.
String s = "dogfood";
System.out.println( s.length() );

7

6

5

4

3

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(2,5) );

food

dog

dogs

gfo

ood

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(4) );

ood

dog

food

dogs

dr who

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(3).length() );

4

-1

2

3

5

Consider the following code segment.
String s = "dogfood";
System.out.println( s.indexOf( "dog" )  );

4

2

0

3

-1

Consider the following code segment.
String s = "dogfood";
System.out.println( s.indexOf( "oo" )  );

3

2

0

4

-1

Consider the following code segment.
String s = "dogfood";
System.out.println( s.indexOf( "cat" )  );

-1

4

3

0

2

What is output by the code below?
String s = "abac-adae-bfbg-bhbi";
int index = s.indexOf("ae");
System.out.println( index );

there is no output due to a syntax error

8

-1

6

7

What is output by the code below?
String s = "abac-adae-bfbg-bhbi";
int index = s.indexOf("-b");
System.out.println(s.substring(index));

there is no output

bfbg-bhbi

-bfbg-bhbi

abac-adae-bfbg-bhbi

bhbi

DIRECTIONS :  Fill in each blank with the correct answer/output.  Assume each statement happens in order and that one statement may affect the next statement.
String one = "apcomputersciencerocks";
String two = "098765210AB#";
String three = "02 13 998 45 0";

String Methods Quiz

String Methods Quiz

DIRECTIONS : Write a return method named wow that return the last ½ of a string plus the word "FUN". The call wow("compze") returns "pzeFUN"public static String wow( String s ){ ///your code goes here///}

Consider the following code segment.String s = "dogfood";System.out.println( s.substring(0,3) );

Consider the following code segment.String s = "dogfood";System.out.println( s.length() );

Consider the following code segment.String s = "dogfood";System.out.println( s.substring(2,5) );

Consider the following code segment.String s = "dogfood";System.out.println( s.substring(4) );

Consider the following code segment.String s = "dogfood";System.out.println( s.substring(3).length() );

Consider the following code segment.String s = "dogfood";System.out.println( s.indexOf( "dog" ) );

Consider the following code segment.String s = "dogfood";System.out.println( s.indexOf( "oo" ) );

Consider the following code segment.String s = "dogfood";System.out.println( s.indexOf( "cat" ) );

What is output by the code below?String s = "abac-adae-bfbg-bhbi";int index = s.indexOf("ae");System.out.println( index );

What is output by the code below?String s = "abac-adae-bfbg-bhbi";int index = s.indexOf("-b");System.out.println(s.substring(index));

System.out.print( one.length());

System.out.print( two.length());

System.out.print( three.length());

System.out.print( one.substring(0,4) );

System.out.print( one.substring(5) );

System.out.print( one.substring(9) );

System.out.print( one.indexOf( "c" ) );

System.out.print( one.indexOf( "sci" ) );

System.out.print( one.indexOf( "code" ) );

System.out.print( one.lastIndexOf( "c" ) );

DIRECTIONS : Write a return method named wow that return the last ½ of a string plus the word "FUN". The call wow("compze") returns "pzeFUN"public static String wow( String s ){ ///your code goes here///}

System.out.print( one.length());

System.out.print( two.length());

System.out.print( three.length());

System.out.print( one.substring(0,4) );

System.out.print( one.substring(5) );

System.out.print( one.substring(9) );

System.out.print( one.indexOf( "c" ) );

System.out.print( one.indexOf( "sci" ) );

System.out.print( one.indexOf( "code" ) );

System.out.print( one.lastIndexOf( "c" ) );

DIRECTIONS : Write a return method named wow that return the last ½ of a string plus the word "FUN". The call wow("compze") returns "pzeFUN"

public static String wow( String s ){
///your code goes here///
}

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(0,3) );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.length() );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(2,5) );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(4) );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.substring(3).length() );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.indexOf( "dog" ) );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.indexOf( "oo" ) );

Consider the following code segment.
String s = "dogfood";
System.out.println( s.indexOf( "cat" ) );

What is output by the code below?
String s = "abac-adae-bfbg-bhbi";
int index = s.indexOf("ae");
System.out.println( index );

What is output by the code below?
String s = "abac-adae-bfbg-bhbi";
int index = s.indexOf("-b");
System.out.println(s.substring(index));

DIRECTIONS : Write a return method named wow that return the last ½ of a string plus the word "FUN". The call wow("compze") returns "pzeFUN"

public static String wow( String s ){
///your code goes here///
}