星期五進行了某科的某次測驗..
而比較重要的題目在回家後也都試了一次,記錄如下
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| import java.util.ArrayList;
import java.util.Collections;
class IPTest {
public static void main(String[] args) {
printStart();
System.out.println();
printRangeA();
System.out.println("\n");
printRangeB();
}
public static void printStart() {
int i, j, n=5;
for(i=n; i>=1; i--) {
for(j=n; j>=1; j--) {
if (i < j) {
System.out.print("*");
}else{
System.out.print(""+j);
}
}
System.out.println();
}
}
public static ArrayList<Integer> tempA = new ArrayList<Integer>();
public static void printRangeA() {
for(int i = 0; i<50; i++) {
int x = (int)(Math.random()*5)*5;
if (!tempB.contains(x)) tempB.add(x);
if (tempB.size() >= 5) break;
}
Collections.sort(tempB);
System.out.print(tempB);
}
public static ArrayList<Integer> tempB = new ArrayList<Integer>();
public static void printRangeB() {
for(int i = 0; i<50; i++) {
int x = (int)(Math.random()*8+5)*5;
if (!tempB.contains(x)) tempB.add(x);
if (tempB.size() >= 8) break;
}
Collections.sort(tempB);
System.out.print(tempB);
}
}
|
