Bài kiểm tra trắc nghiệm về JAVA P5

switch (thu) {

case 2:

System.out.println(“Van, Toan”);

break;

case 3:

System.out.println( “Hoa, Ly”);

break;

default:

System.out.println( “Ngay nghi”);

break;

}

switch (thu) {

case 2:

System.out.println( “Van, Toan”);

break;

case 3:

System.out.println( “Hoa, Ly”);

break;

default:

System.out.println( “Ngay nghi”);

break;

}

switch (thu) {

case 2:

System.out.println( “Van, Toan”);

break;

case 3:

System.out.println( “Hoa, Ly”);

break;

default:

System.out.println( “Ngay nghi”);

break;

}

enum mausac { DEN, LAM, LUC, TRANG };

mausac color;

char * t;

switch (color) {

case 0:

t = “Mau trang”;

break;

case 1:

t = “Mau den”;

break;

case 2:

t = “Mau lam”;

break;

case 3:

t = “Mau luc”;

break;

default:

t = “Khong co trong danh sach mau”;

break;

}

System.out.println( t );

enum mausac { DEN = 3, LAM, LUC, TRANG };

mausac color;

char * t;

switch (color) {

case 0:

t = “Mau trang”;

break;

case 1:

t = “Mau den”;

break;

case 2:

t = “Mau lam”;

break;

case 3:

t = “Mau luc”;

break;

default:

t = “Khong co trong danh sach mau”;

break;

}

System.out.println( t );

int s = 0;

for (int i = 0; i < 10; i++)

s+=i;

System.out.println( s );

int[] mang = new int[10];

int s = 0;

int j = 0;

for ( int i : mang) {

i = ++j;

s += i;

}

System.out.println(“S = “+ s);

int[] mang = new int[10];

int s = 0;

int j = 0;

for ( int i : mang) {

i = ++j;

s += i;

}

System.out.println(“S = “+ s);

int[] mang = new int[10];

int s;

int j = 0;

for ( int i : mang) {

s = 0;

i = ++j;

s += i;

}

System.out.println(“S = “+ s);

int i=0;

do {

i += 1;

} while (i == 0);

System.out.println(“i = “ + i);