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// question 2
public static int findMinInt(){
Scanner scanner = new Scanner(System.in);
int num;
int minInt = -1;
int tmp;
tmp = scanner.nextInt();
if(tmp >= 0) {minInt = tmp;}
while(scanner.hasNextInt()){
num = scanner.nextInt();
if(minInt == -1 && num >= 0)
minInt = num;
else if(num > 0 && num < minInt)
minInt = num;
}
return minInt;
}
package com.company;
import java.util.Scanner;
/**
* Created by Scott_Wang on 6/10/2014.
*/
public class Test {
// question 1
public static void evenNum(int n){
for(int i = 0; i < n; ++i){
if(i % 2 == 0)
System.out.print(i+", ");
}
}
// question 2
public static int findMinInt(){
Scanner scanner = new Scanner(System.in);
int num;
int minInt = -1;
int tmp;
tmp = scanner.nextInt();
if(tmp >= 0) {minInt = tmp;}
while(scanner.hasNextInt()){
num = scanner.nextInt();
if(minInt == 0)
minInt = num;
else if(num > 0 && num < minInt)
minInt = num;
}
return minInt;
}
// question 3
public static void prtStar(int n){
for(int i = n; i >= 1; --i){
for(int j = 0; j < i; ++j){
System.out.print("*");
}
System.out.println();
}
}
// question 4
public static boolean reverseStr(){
Scanner scanner = new Scanner(System.in);
String str = scanner.next();
StringBuffer sbf = new StringBuffer(str);
if(str.equals(sbf.toString())) {
return true;
}
return false;
}
// --- test ----
public static void main(String[] args){
evenNum(10);
System.out.println(findMinInt());
prtStar(5);
System.out.println(reverseStr());
}
}
import java.util.*;
public class Palindrome {
public static void main(String[] args) {
Scanner inputLine = new Scanner(System.in);
System.out.print("Please input a string:");
StringBuffer inputString = new StringBuffer(inputLine.nextLine());
StringBuffer reverseString = new StringBuffer(inputString);
reverseString.reverse();
if (inputString != null && inputString.length() > 0) {
System.out.println(inputString
+ (inputString.toString().equals(reverseString.toString()) ? " is " : " is not ")
+ "a palindrome.");
}
}
}