public class XXK4 {

public static void main(String[] args) {

String []a={"xxk","weirong","xucong","xuxiaohua","baojuan"};

int m=0;

for(int i=0; i<a.length; i++) {

int n=a[i].length();

if(n>m) m=n;

}

System.out.println("m="+m);

}

}

public class XXK4 {

public static void main(String[] args) {

int [][]a={{2,5,8},{3,6,9},{4,5,6}};

int []b=new int[3];

int i,j;

for(i=0; i<a.length; i++)

for(j=0; j<a[i].length; j++)

b[i]+=a[i][j];

for(i=0; i<b.length; i++)

System.out.print(b[i]+" ");

}

}

class ABC {

int a,b;

public ABC(int a, int b) {this.a=a; this.b=b;}

public int compareTo(ABC x) {return a*b-x.a*x.b;}

}

public class XXK5 {

public static void main(String[] args) {

int [][]d={{3,8},{4,6},{5,6},{2,9},{6,7},{5,8}};

ABC []ar=new ABC[d.length];

int i,k=0;

for(i=0; i<ar.length; i++)

ar[i]=new ABC(d[i][0],d[i][1]);

for(i=1; i<ar.length; i++)

if(ar[i].compareTo(ar[k])>0) k=i;

System.out.println("k="+k);

}

}

class ABC {

String name;

double price;

public ABC(String na, double pr) {name=na; price=pr;}

public int compareTo(ABC x) {

if(name.compareTo(x.name)>0) return 1;

if(name.compareTo(x.name)<0) return -1;

else return 0;

}

}

public class XXK5 {

public static void main(String[] args) {

String []s={"apple", "pear", "tangerme", "banana", "grape"};

double []d={3.8, 2.5, 3.2, 4.3, 5.2};

ABC []ar=new ABC[s.length];

int i,k=0;

for(i=0; i<ar.length; i++)

ar[i]=new ABC(s[i],d[i]);

for(i=1; i<ar.length; i++)

if(ar[i].compareTo(ar[k])>0) k=i;

System.out.println(ar[k].name+" "+ar[k].price);

}

}

— I wonder whether I could accept this discount or not.

—                      

I’ve learned       today.

A．vital B．silent C．collide D．fierce

—I’m terribly sorry that I’ve spilled some coffee on the table.

— _________________.

—Can you go skating with us this afternoon? 

—Sorry, I can’t. I ________ take care of my little sister at home.

—                     ？

— I have worked for IBM for 3 years.

— I believed Ted only from his resume. In fact he is not qualified for his job.

—                        

I believe team work         important.