Java Note Learning Three

Learning Code Records

/**

* Randomly generate strings of a specified length

* 

* @param

* @param lengthofstring

* @return Pure Letter String

*/

Public Static String getrndstrbylen( int Lengthofstring) {

int i, count = 0;

Final String chars = "A,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z" ;

String [] chararr = chars. Split (",") ;

stringbuffer randomstr = new stringbuffer("");

random rnd = new random();

int StrLen = Chararr. Length;

while (count < lengthofstring) {

i = Rnd . Nextint (strLen) ; strlen if equal to 26,i value is between 0-25

Randomstr. Append (chararr[i]) ;

Count+ +;

}

return Randomstr . ToString(). toLowerCase();

}

@Test

Private void initdriver() {

String a = Randomo.   Getrndstrbylen(2); There's no clear need to get the data in the get way, and continue to learn

System . out . println(a);

}

Java Note Learning Three