java-BASIC Programming (Spiral Matrix & multiplication table)

Package cn.rick.study;

Import Java.io.BufferedReader;
Import Java.io.InputStreamReader;
Import Java.util.Scanner;

/**
*
* @author Rick-bao Date 2014-8-29
*
*/
public class Somebasiccode {

public static void Main (string[] args) {

Multiplicationtable ();//Multiplication table

Createringmatrix ();//Spiral Matrix

System.out.print ("\n\n\t\t\t\t This display made by Rick, please reserve the right!" ");
}

/*
* spiral Matrix: A complex algorithm than the 99 multiplication table author Rick date 2014-8-29 14:31:06
*/
protected static void Createringmatrix () {
while (True) {
String input = ";
System.out.println ("Please enter the number of rows in the matrix (square):");
InputStreamReader inputstreamreader = new InputStreamReader (
system.in);//Get input stream
BufferedReader buff = new BufferedReader (InputStreamReader);
try {
input = Buff.readline ();//Read input stream
} catch (Exception e) {
System.out.println (e.tostring ());
}
Int n;//receives the converted variable
try {
n = integer.parseint (input);
} catch (Exception e) {
System.out.println (" You are not entering numbers (1, 2, 3, etc.)! ");
Continue;
}
System.out.println ("This is an array of spiral matrices with a row number of" + N + ");
int IntA = 1;
Int[][] Array = new int[n][n];//description Two-dimensional array
int intB;
-----algorithm begins
if (n% 2! = 0)
IntB = n/2 + 1;//odd I loop number
Else
IntB = n/2;//even when I loop number

for (int i = 0; i < IntB; i++) {//Outer loop control column
From left to right landscape
for (int j = i; J < N-i; J + +) {
ARRAY[I][J] = IntA;
inta++;
}
Portrait from top to bottom
for (int k = i + 1; k < n-i; k++) {
Array[k][n-i-1] = IntA;
inta++;
}
From right to left landscape
for (int I = n-i-2; I >= i; i--) {
Array[n-i-1][i] = IntA;
inta++;
}
Portrait from Bottom to top
for (int m = n-i-2; M > i; m--) {
Array[m][i] = IntA;
inta++;
}
}

------output Two-dimensional array contents
for (int i = 0; i < n; i++) {
for (int j = 0; J < N; j + +) {
System.out.print ("" + Array[i][j] + "");
}
System.out.println ();
}

-----end end of the algorithm
}

}

/*
* Multiplication Table Author Rick date August 29, 2014 15:33:36
*/
private static void Multiplicationtable () {
Scanner Scanner = new Scanner (system.in);//Get input
int input = 0;//receives the input variable
SYSTEM.OUT.PRINTLN ("Hint: The following for you to print the multiplication table, the same format as the < 99 multiplication table >!") ");
System.out.print ("Please enter the number of lines (press ENTER when finished):");
while (Scanner.hasnext ()) {
try {
input = Scanner.nextint ();
Scanner.close ();
} catch (Exception e) {
System.out.println ("Please enter numbers (such as 1, 2, 3, 5, etc.)!" ");
Break
}
for (int i = 1; i <= input; i++) {
System.out.print ("\ n");
for (int j = 1; J <= I; j + +) {
System.out.print ("" + j + "*" + i + "=" + I * j + "");
}
}
Break
}
}

}

java-BASIC Programming (Spiral Matrix & multiplication table)