java 流程语句

<span style="font-size:12px;">class Lesson22 {
    public static void main(String [] args )
    {
        int x=6;
        /*
        if (x<3)
        {
            System.out.println("x<3");
            System.out.println("ek");
        }
        else if(x>=3)
             System.out.println("x>=3");
        int y;
        */
        
        
        /*
         * if(x>0)
            y=x
        else {
            y=-x*/
        /*y=x>0?x:-x;
        if(x==1)
        {
            if(y==1)
            {
                System.out.println("x==1,y==1");
            }
            else {
                System.out.println("x==1,y!=1");
            }
        }
        else if(x>3)
            if(y==1)
            {
                System.out.println("x==1,y==1");
            }
            else {
                System.out.println("x==1,y!=1");
            
        }
        */

        
        /*
        x=1;
        switch (x) {
            case 1:
                System.out.println("Switch1");
            case 2:
                System.out.println("Switch2");
                break;
            case 3:
            case 4:
                System.out.println("3,4");
                break;

            default:
                System.out.println("other");
                break;
        }
        */
        /*do
        {
        x =System.in.read();
        while(x!='q')
        {
            System.out.println((char)x);
                x=System.in.read();
            while (x!='q');
                
            }
        */
        
        /*int i=0;
        for( ;i<10;i++)
        {
            System.out.println(i);
        }
        //==================
        for(int u=0;u<10;u++)
        {
            System.out.println(u);
        }
        
        int i=0;
        for( ;i<10;i++)
        {
            System.out.println(i);
        }
        */
        

        int i=0;
        /*
        for(;;)
        {
            if(i>=10)
                break;
            System.out.println(i);
            i++;
        }
        */
        
        for(i=0;i<10;i++)
        {
            if(i%2==0)
                continue;
            System.out.println(i);
            
                
        }
    }

}</span>