FT1 - App

char ch = 'AB'; Error cause?

• Too many characters for char

• Missing quotes

• Java allows multi-char in char

• None

String s = "Hello; Error cause?

• String cannot have semicolon

• Missing ending double quote

• Use single quotes for strings

• None

int num = 5; if(num > 2) System.out.println("Big") else System.out.println("Small"); Error cause?

• Missing braces

• Missing semicolon after println

• Missing semicolon after System.out.println("Big")

• None

float f = 3.5; Error cause?

• Cannot assign double to float without casting

• Missing F suffix or cast

• Java automatically converts

• None

for(int i=0; i<5; i++) for(int j=0; j<5; i++) System.out.println(i + "," + j); Problem?

• Infinite loop

• Compile error

• Off-by-one

• None

String s = "Java"; s.charAt(4); Result?

• a

• v

• IndexOutOfBoundsException

• Compile error

int a = 5; switch(a){ case 1: System.out.println("One"); default: System.out.println("Default"); case 5: System.out.println("Five"); } Output?

• One Default Five

• Default Five

• Five only

• Default only

public class Test { static int x; public static void main(String[] args){ System.out.println(x); } } Output?

• 0

• null

• Garbage value

• Compile error

String s = "abc"; s = s.replace('a', 'z'); System.out.println(s); Output?

• zbc

• abc

• Compilation error

• null

int i; System.out.println(i); Error cause?

• Variable not initialized

• Variable not declared

• Needs casting

• None