Question

Need help with java and returning #times string appearing. I was thinking using like a text.contains method but it want characters ch and it's really confusing.

3 points static int Q2 (String input char ch) return the number of times the character ch appears in the input String return 0

Answer 1

Answer:

*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/

package javaapplication13;
import java.util.Scanner;

/**
*
* @author ELIXIR BLACK
*/
public class CheckString
{
public String str1;
public String str2;
public Scanner inp;
public CheckString()
{
str1 = "NULL";
str2 = "NULL";
inp = new Scanner(System.in);
}
public CheckString(String s, String x)
{
this.str1 = s;
this.str2 = x;
inp = new Scanner(System.in);
}
public void setStringOne(String s)
{
this.str1 = s;
}
public void setStringTwo(String a)
{
this.str2 = a;
}
public String getStringOne()
{
return this.str1;
}
public String getStringTwo()
{
return this.str2;
}
public void inputStringOne()
{
System.out.println("Please input string one: ");
str1 = this.inp.next();
}
public void inputStringTwo()
{
System.out.println("Please input string two: ");
str2 = this.inp.next();
}
public int getCount()
{
int count = 0;
for(int j = 0; j<str2.length(); j++)
{
for(int i = 0; i<str1.length(); i++)
{
if(str1.charAt(i) == str2.charAt(j))
{
count++;
}
}
}
return count;
}
}

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package javaapplication13;
import javaapplication13.CheckString;
/**
*
* @author ELIXIR BLACK
*/
public class JavaApplication13 {

/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
CheckString str = new CheckString("iiiiii","i love");
System.out.println(str.getCount());
}
}

Output :

public class JavaApplication13 i 11 12 13 14 15 國lavaAppication 13.java Lbraries @param args the command line arguments ,卻levaAppication7 portal ·台StringCheck test Timing public static void main (String arg) i TODO code application logic here 17 18 19 20 21 System.out.printin (atr.getCount (O TreeProject Output JavaApplication13 (run) ル! BUILD SUCCESSFUL It oval bane : 0 seconds )