{"id":49,"title":"java\u51fd\u6570\u5b9a\u4e49\/\u8fd4\u56de\u503c\/\u91cd\u8f7d","good":0,"bad":0,"hit":2533,"created_at":"2014-04-25 17:38:07","content":"
\/*
\u5b9a\u4e49\u51fd\u6570\u9700\u8981\u660e\u786e\u4e24\u70b9:
1\u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b-\u8fd4\u56de\u7c7b\u578b\u548c\u4f20\u9012\u7684\u53c2\u6570\u5e76\u6ca1\u6709\u76f4\u63a5\u5173\u7cfb,\u5982\u4f20\u9012\u4e24\u4e2a\u6574\u6570,\u8fd4\u56de\u503c\u53ef\u80fd\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32,\u5982:x=5;
2\u660e\u786e\u53c2\u6570\u7684\u4e2a\u6570\u4e0e\u7c7b\u578b
*\/
class functionTest
{
public static void main(String[] args){\/\/\u4e3b\u51fd\u6570\u76f8\u5f53\u4e8e\u4e00\u4e2a\u5165\u53e3,\u5728\u6b64\u8c03\u7528\u5176\u5b83\u51fd\u6570;\u6709\u70b9\u50cf\u6784\u9020\u51fd\u6570,\u8c03\u7528\u8fd9\u4e2a\u7c7b\u65f6,\u5148\u8fd0\u884c\u8fd9\u4e2a\u51fd\u6570
functionA();
int x=functionB(5,6);
System.out.println("x="+x);\/\/\u8f93\u51fa:x=11
System.out.println(functionB(5,6));\/\/\u8f93\u51fa:11
\/\/System.out.println(functionC(5,6));\/\/\u62a5\u9519,\u56e0\u4e3afunctionC\u6ca1\u6709\u8fd4\u56de\u503c,println()\u4e2d\u5fc5\u987b\u6709\u4e2a\u5177\u4f53\u7684\u503c(\u5305\u62ec\u7a7a\u503c)
functionC(5,6);\/\/\u8f93\u51fa:x=11
boolean d=functionD(5,6);
System.out.println("d="+d);\/\/\u8f93\u51fa:d=false
\/\/int e=functionE(5,6);\/\/\u6839\u636e\u7c7b\u578b\u5339\u914d\u540c\u540d\u51fd\u6570
\/\/System.out.println("e="+e);\/\/\u8f93\u51fae=11
\/\/System.out.println();
String e=functionE(5,6,7);
System.out.println("e="+e);\/\/\u8f93\u51fa: e=\u5b57\u7b26\u4e32567
}
public static void functionA(){
System.out.println("\u5bf9\u4e8e\u6ca1\u6709\u8fd4\u56de\u503c\u7684\u51fd\u6570,\u8fd4\u56de\u7c7b\u578b\u7528void\u8868\u793a,\u53ef\u4ee5\u4e0d\u5199return");
\/\/return;\/\/\u65e0\u8fd4\u56de\u65f6return\u5728\u6700\u540e\u4e00\u884c\u65f6\u6b64\u53e5\u53ef\u4ee5\u7701\u7565
}
public static int functionB(int a,int b){\/\/\u5408\u4f53\u7684\u65b9\u5f0f,\u7528return\u8fd4\u56de\u503c
return a+b;
}
public static void functionC(int a,int b){\/\/\u65e0\u8fd4\u56de,\u76f4\u63a5\u5728\u51fd\u6570\u4e2d\u8f93\u51fa,\u4e0d\u4fbf\u4e8e\u6570\u636e\u540e\u671f\u5904\u7406
System.out.println("x="+(a+b));
return;
}
public static boolean functionD(int a,int b){\/\/\u6bd4\u8f83\u4e24\u6570\u662f\u5426\u76f8\u7b49
\/\/\u5199\u6cd51
\/*if (a==b){
return true;
}else{
return false;
}
\/\/\u5199\u6cd52
if a==b
return true;
else\/\/\u8fd9\u4e2aelse\u53ef\u4ee5\u7701\u7565,\u4e0a\u53e5\u4e3a\u771f\u662f\u5219\u4e0d\u6267\u884c\u4e0b\u9762\u8fd9\u53e5,\u4e3a\u5047\u65f6\u624d\u6267\u884c
return false;
\/\/\u5199\u6cd53
(a==b)?true:false;*\/
\/\/\u5199\u6cd54
return a==b;\/\/\u76f4\u63a5\u8fd4\u56de\u6bd4\u8f83\u7684\u7ed3\u679c,\u4ee3\u7801\u6700\u5c11
}
\/\/\u51fd\u6570\u91cd\u8f7d
\/\/\u5728\u540c\u4e00\u4e2a\u7c7b\u4e2d,\u5141\u8bb8\u5b58\u5728\u4e00\u4e2a\u4ee5\u4e0a\u7684\u540c\u540d\u51fd\u6570,\u53ea\u8981\u5b83\u4eec\u7684\u53c2\u6570\u4e2a\u6570\u6216\u8005\u53c2\u6570\u7c7b\u578b\u4e0d\u540c\u5373\u53ef,\u5982\u679c\u8c03\u7528\u4e0d\u786e\u5b9a,\u4f1a\u7f16\u8bd1\u5931\u8d25
public static int functionE(int a,int b){
return a+b;
}
\/*public static double functionE(int a,int b){\/\/\u5982\u679c\u8fd9\u4e2a\u51fd\u6570\u4e5f\u5b58\u5728,\u5219\u4f1a\u4e0e\u4e0a\u9762\u7684functionE\u51b2\u7a81,\u56e0\u4e3a\u8c03\u7528\u5b58\u5728\u4e0d\u786e\u5b9a\u6027
return a+b;
}*\/
public static String functionE(int a,int b,int c){
return "\u5b57\u7b26\u4e32"+a+b+c;
}
}<\/p>"}