java core (Kiem tra lan 1)

What is the correct syntax for java main method?

• public void main(String[] args)

• public static void main(string[] args)

• public static void main()

• none of the above

Choose the appropriate data type for this field: isSwimmer

• double

• boolean

• string

• Int

If you want your condition to depend upon two conditions BOTH being true, What is the proper notation to put

between the two Boolean statements

• !

• ||

• &&

Choose the appropriate data type for this value: 5.5

• int

• double

• boolean

• String

What is an assignment statement ?

• Adding a number to an int

• Assigning a multiplication

• Assigning a name to a variable

• Assigning a value to a variable

Can you compare a boolean to an integer?

• Yes

• No

public static void main(String[] args) {

int a = 5;

int b = 25;

int c = 35;

int d = 123;

System.out.print(a++ + ++b - ++c + d++);

}

what is the result in that code?

• 117

• 118

• 119

• 120

public static void main(String[] args) {

int a = 13;

int b = 14;

int c = 65;

int d = 12;

System.out.print(a++ - b++ - c-- + ++d);

}

what is the result in that code?

• 53

• 45

• -45

• -53

public static void main(String[] args) {

if(true){

System.out.println(false);

}else{

System.out.println(true);

}

}

what is the result in that code?

• true

• false

• error compile

• error runtime

public static void main(String[] args) {

System.out.println(1a);

}

what is the result in that code?

• 1a

• error runtime

• error compile

• a