右边为什么要延迟2 3秒才出结果 String mark =(score>=60?"及格":"不及格");
2015-05-11
System.out.println("three += one ==>"+(three+=one));
System.out.println("three -= one==>"+(three-=one));
System.out.println("three *= one ==>"+(three*=one));
System.out.println("three/=one==>"+(three/=one));
System.out.println("three %= one ==>"+(three%one));
System.out.println("three -= one==>"+(three-=one));
System.out.println("three *= one ==>"+(three*=one));
System.out.println("three/=one==>"+(three/=one));
System.out.println("three %= one ==>"+(three%one));
2015-05-10
int sum = age1+age2+age3+age4;
double avg = sum/4;
int minus = age1-age2;
int newAge =--age1;
double avg = sum/4;
int minus = age1-age2;
int newAge =--age1;
2015-05-10