JAVA±à³ÌÌâÈ«¼¯(100Ìâ¼°´ð°¸) ÏÂÔØ±¾ÎÄ

{

for(int i=0;i<=str1.length()-str2.length();i++) {

if(str2.equals(str1.substring(i, str2.length()+i))) //ÕâÖֱȷ¨ÓÐÎÊÌ⣬»á°Ñ\¿´³ÉÓÐ2¸ö\×Ó´®¡£ count++; }

System.out.println(\×Ó´®ÔÚ×Ö·û´®ÖгöÏÖ: \´Î\} } }

¡¾³ÌÐò50¡¿

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import java.io.*; import java.util.*;

public class lianxi50 {

public static void main(String[] args){ Scanner ss = new Scanner(System.in); String [][] a = new String[5][6]; for(int i=1; i<6; i++) {

System.out.print(\ÇëÊäÈëµÚ\¸öѧÉúµÄѧºÅ£º\ a[i-1][0] = ss.nextLine();

System.out.print(\ÇëÊäÈëµÚ\¸öѧÉúµÄÐÕÃû£º\ a[i-1][1] = ss.nextLine(); for(int j=1; j<4; j++) {

System.out.print(\ÇëÊäÈë¸ÃѧÉúµÄµÚ\¸ö³É¼¨£º\ a[i-1][j+1] = ss.nextLine(); }

System.out.println(\ }

//ÒÔϼÆËãÆ½¾ù·Ö float avg; int sum;

for(int i=0; i<5; i++) { sum=0;

for(int j=2; j<5; j++) {

sum=sum+ Integer.parseInt(a[i][j]); }

avg= (float)sum/3;

a[i][5]=String.valueOf(avg); }

//ÒÔÏÂд´ÅÅÌÎļþ

String s1; try {

File f = new File(\ if(f.exists()){

System.out.println(\Îļþ´æÔÚ\ }else{

System.out.println(\Îļþ²»´æÔÚ£¬ÕýÔÚ´´½¨Îļþ\ f.createNewFile();//²»´æÔÚÔò´´½¨ }

BufferedWriter output = new BufferedWriter(new FileWriter(f)); for(int i=0; i<5; i++) { for(int j=0; j<6; j++) { s1=a[i][j]+\ output.write(s1); } }

output.close();

System.out.println(\Êý¾ÝÒÑдÈëcÅÌÎļþstudÖУ¡\ } catch (Exception e) { e.printStackTrace(); } } }