2016.9.28

<span style="font-size:24px;"><strong>import java.util.*;
public class lll {
public static void main(String[] args) {
	/*int r = 9;
	for (int i = 1; i <= r; i++) {
		for (int j = 1; j <= i; j++) {
			System.out.print(j+" ");
		}
		System.out.print("\n");
	}*/
	/*Scanner input = new Scanner(System.in);
	System.out.print("请输入菱形的行数:");
	int r = input.nextInt();
	while (r%2 ==0){
		System.out.print("请输入奇数:");
		r = input.nextInt();
	}
	int n = (r+1)/2;
	for (int i = 1; i < n; i++) {
		for (int j = 1; j <= n-i; j++) {
			System.out.print(" ");
		}
		for (int k = 1; k <= 2*i-1; k++) {
			System.out.print("*");
		}
		System.out.print("\n");
	}
	for (int i = n; i > 0; i--) {
		for (int j = n-i; j >=1 ; j--) {
			System.out.print(" ");
		}
		for (int k = 2*i; k >1; k--) {
			System.out.print("*");
		}
		System.out.print("\n");
	}*/
	int[] r1=new int[]{1,3,5,7,9};
	int[] r2=new int[]{9,7,5,3,1};
	int[] r3=new int[r1.length+r2.length];
	for (int i = 0; i < r3.length; i++) {
		if (i<r1.length ) {
			r3[i]=r1[i];
		}else{
			r3[i]=r2[i-r1.length];
		}
	}
	for (int i = 0; i < r3.length; i++) {
		System.out.print(" " + r3[i]);
	}
} 
}
</strong></span>