public class Test { public static void main(String[] args) { int a = 10,b=14,c=8,d=20; int max1 = (a > b) ? a : b; int max2 = (c > d) ? c : d; int min1 = (a < b) ? a : b; int min2 = (c < d) ? c : d; int max11 = (max1 > max2) ? max1 : max2; int max12 = (min1 > min2) ? min1 : min2; int result = (max11 > max12) ? max11 : max12; System.out.println(result); } }
3L的朋友啊~~用我的要求是用if来完成 你这啥啊
public class Demo { public static void main(String[] args) { int a = 1, b = 8, c = 9, d = 0; int max = 0; if(a > b) max = a; if(max < c) max = c; if(max < d) max = d; System.out.println(max); }}
5L的MM 你这也不对啊~我要求按由大到小输出~……
public class test { public static void main(String[] args) { int a = 10, b = 11, c = 9, d =12; if ( a < b ){ a ^= b; b ^= a; a ^= b; } if ( c < d) { c ^= d; d ^= c; c ^= d; }
if ( a < c) { a ^= c; c ^= a; a ^= c; } if (b < d) { b ^= d; d ^= b; b ^= d; } if (b < c) { b ^= c; c ^= b; b ^= c; } System.out.println(a + " " + b + " " + c + " " + d); }
四个数还好吧 max(max(a, b), max(c, d)); min(max(a, b), max(c, d)); max(min(a, b), min(c, d)); min(min(a, b), min(c, d));int max(int a, int b) { return a>=b?a:b; } int min(int a, int b) { return a<=b?a:b; }
这个对。。我也是JAVA新手。。请教11楼大虾。。 if ( a < b ){ a ^= b; b ^= a; a ^= b; } 什么意思。。if第一个分号执行true;第二个分号执行false;第三个分号是执行什么?
a ^= b; b ^= a; a ^= b;是无中间变量交换2个数a ^=b // 是a = a ^ b;怎么会是返回true呢,这是bitwise的赋值例如: a = 2; b = 3; 0010 0011 a = a ^ b = 0010 ^ 0011 = 0001 b = a ^ b = 0001 ^ 0011 = 0010 = 2 a = a ^ b = 0001 ^ 0010 = 0011 = 3
补充一下,只有: boolean a = true; boolean b = false;a ^ b = true; 而当 a,b为int的时候,a ^ b 就是bitwise operator
还没学到bitwise...哈哈见笑了。。我只知道^是异或。。
public static void main(String[] args) { System.out.println("请输入数字"); Scanner input=new Scanner(System.in); int a=input.nextInt(); int b=input.nextInt(); int c=input.nextInt(); int d=input.nextInt(); int t; if(a>b){ t=a;a=b;b=t; } if(a>c){ t=a;a=c;c=t; } if(a>d){ t=a;a=d;d=t; } if(b>c){ t=b;b=c;c=t; } if(b>d){ t=b;b=d;d=t; } if(c>d){ t=c;c=d;d=t; } System.out.println(a + " " + b + " " + c + " " + d);
public class Test {
public static void main(String[] args) {
int a = 10,b=14,c=8,d=20;
int max1 = (a > b) ? a : b;
int max2 = (c > d) ? c : d;
int min1 = (a < b) ? a : b;
int min2 = (c < d) ? c : d;
int max11 = (max1 > max2) ? max1 : max2;
int max12 = (min1 > min2) ? min1 : min2;
int result = (max11 > max12) ? max11 : max12;
System.out.println(result);
}
}
public static void main(String[] args) {
int a = 1, b = 8, c = 9, d = 0;
int max = 0;
if(a > b)
max = a;
if(max < c)
max = c;
if(max < d)
max = d;
System.out.println(max); }}
public static void main(String[] args) {
int a = 10, b = 11, c = 9, d =12;
if ( a < b ){
a ^= b;
b ^= a;
a ^= b;
}
if ( c < d) {
c ^= d;
d ^= c;
c ^= d;
}
if ( a < c) {
a ^= c;
c ^= a;
a ^= c;
} if (b < d) {
b ^= d;
d ^= b;
b ^= d;
} if (b < c) {
b ^= c;
c ^= b;
b ^= c;
}
System.out.println(a + " " + b + " " + c + " " + d);
}
max(max(a, b), max(c, d));
min(max(a, b), max(c, d));
max(min(a, b), min(c, d));
min(min(a, b), min(c, d));int max(int a, int b)
{
return a>=b?a:b;
}
int min(int a, int b)
{
return a<=b?a:b;
}
if ( a < b ){
a ^= b;
b ^= a;
a ^= b;
}
什么意思。。if第一个分号执行true;第二个分号执行false;第三个分号是执行什么?
a ^= b;
b ^= a;
a ^= b;是无中间变量交换2个数a ^=b // 是a = a ^ b;怎么会是返回true呢,这是bitwise的赋值例如:
a = 2; b = 3;
0010 0011
a = a ^ b = 0010 ^ 0011 = 0001
b = a ^ b = 0001 ^ 0011 = 0010 = 2
a = a ^ b = 0001 ^ 0010 = 0011 = 3
boolean a = true;
boolean b = false;a ^ b = true;
而当
a,b为int的时候,a ^ b 就是bitwise operator
System.out.println("请输入数字");
Scanner input=new Scanner(System.in);
int a=input.nextInt();
int b=input.nextInt();
int c=input.nextInt();
int d=input.nextInt();
int t;
if(a>b){
t=a;a=b;b=t;
}
if(a>c){
t=a;a=c;c=t;
}
if(a>d){
t=a;a=d;d=t;
}
if(b>c){
t=b;b=c;c=t;
}
if(b>d){
t=b;b=d;d=t;
}
if(c>d){
t=c;c=d;d=t;
}
System.out.println(a + " " + b + " " + c + " " + d);
}