if (j==1||j==(i-1)*2+1) { System.out.print("*"); } else{ System.out.print(" "); }
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守著星空守著你
TA貢獻(xiàn)1799條經(jīng)驗(yàn) 獲得超8個(gè)贊
不能轉(zhuǎn)的，因?yàn)镃ase后面得是常量，而(i-1)*2+1是變量，需要程序運(yùn)行時(shí)才能確定，所以編譯會(huì)報(bào)錯(cuò)：case expressions must be constant expressions
慕田峪9158850
TA貢獻(xiàn)1794條經(jīng)驗(yàn) 獲得超8個(gè)贊
public class Test { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub int x; int j = 0 ,i = 0; x = getX(j , i); switch(x){ case 1: System.out.print("*"); break; case 2: System.out.print(" "); break; } } private static int getX(int j,int i) { // TODO Auto-generated method stub int x = 0 ; if(j==1||j==(i-1)*2+1){ x=1; }else{ x=2; } return x; } }
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