package nine;
import java.util.Random;
class Value{
int m;
}
public class eleven {
static void prt(String s){
System.out.println(s);
}
public static void main(String args[]){
int i=1;
System.out.println("i= "+(++i));
System.out.println("i= "+(i++));
Integer n1 = new Integer(22);
Integer n2 = new Integer(22);
System.out.println(n1==n2);//false 物件內容相同，但是控制程式碼不同，二者比較的正好是控制程式碼
System.out.println(n1!=n2);
System.out.println(n1.equals(n2));
Value a1 = new Value();
Value a2 = new Value();
a1.m = a2.m = 99;
System.out.println(a1.equals(a2));//控制程式碼肯定不同了
System.out.println(a1.m==a2.m);
Random rand = new Random();
int b1 = rand.nextInt()%100;
int b2 = rand.nextInt()%100;
prt("b1 = " + b1);
prt("b2 = " + b2);
prt("b1 > b2 is " + (b1 > b2));
prt("b1 = b2 is " + (b1 == b2));
prt("b1 != b2 is " + (b1 != b2));
prt("(b1 < 10) && (b2 < 10) is " + ((b1<10)&&(b2<10)));
}
}