import java.util.Scanner;
public class Triangle{
    public static void main(String[] args) {
        while(true){
        System.out.println("请输入三角形的三条边:");
        try {
        int a,b,c;
        Scanner input=new Scanner(System.in);
        a=input.nextInt();
        b=input.nextInt();
        c=input.nextInt();
        String str=triangle(a,b,c);
        System.out.println(str);
        } catch (Exception e) {
            // TODO: handle exception
          System.out.println("请确保输入的边为整数！");    
          }
        }
        }
        
        public static String triangle(int a,int b,int c){
            String result;
            if ((a>=1&&a<=100)&&(b>=1&&b<=100)&&(c>=1&&c<=100)) {

            if ((a+b>c)&&(a+c>b)&&(b+c>a)) {
                if (a*a+b*b==c*c||a*a+c*c==b*b||b*b+c*c==a*a) {
                    if (a==b||a==c||b==c) {
                        result="该三角形为等腰直角三角形.";
                    } else {
                        result="该三角形为直角三角形.";
                    }
                } else if (a==b&&b==c&&a==c) {
                    result="该三角形为等边三角形.";
                } else if (a==b||a==c||b==c) {
                    result="该三角形为等腰三角形.";
                } else {
                    result="该三角形为一般三角形.";
                }
            } else {
                result="不能构成三角形.";
            }
        } else {
            result="不能构成三角形.";
        }
            return result;

    }
}

import static org.junit.Assert.assertEquals;

import org.junit.Before;
import org.junit.Test;

public class TrangleTest {
    private static Triangle trangle = new Triangle();

    @Before
    public void setUp() throws Exception {
        
    }

    @Test
    public void testTriangle01() {
        assertEquals("该三角形为直角三角形.", Triangle.triangle(3, 4, 5));//1
        
    }
    @Test
    public void testTriangle02() {
        assertEquals("该三角形为等边三角形.", Triangle.triangle(6, 6, 6));//2
    }
    @Test
    public void testTriangle03() {
        assertEquals("边的值不在范围内！",  Triangle.triangle(150, 150, 200));//3

    }
    @Test
    public void testTriangle04() {
        assertEquals("不能构成三角形.", Triangle.triangle(3, 1, 2));//4

    }
    @Test
    public void testTriangle05() {
        assertEquals("该三角形为一般三角形.",  Triangle.triangle(3, 5, 6));//5

    }
    @Test
    public void testTriangle06() {
        assertEquals("该三角形为等腰三角形.",  Triangle.triangle(5, 5, 6));//6

    }
    
}

import org.junit.Before;
import org.junit.runner.RunWith;
import org.junit.runners.Suite;

@RunWith(Suite.class)
@Suite.SuiteClasses({
    TrangleTest.class
})

public class Test {

    @Before
    public void setUp() throws Exception {
    }
}