simple java(五)---switch

switch without break

public class SwitchNoBreak

{

public static void main( String s[] ) {

char ch = 'a';

int x = 0;

switch ( ch )

{

case 'a':

x = 10;

case 'b':

x = 20;

case 'c':

x = 30;}

System.out.println( "x = " + x );}}

******************

switch with break

public class SwitchWithBreak

{public static void main(String s[])

{

char ch = 'a';

int x = 0;

switch ( ch ) {

case 'a':

x = 10;

break;

case 'b':

x = 20;

break;

case 'c':

x = 30;

break;}

System.out.println( "x = " + x );}}