Corejava
1. Convert input date format from (dd/mm/yyyy) to (yyyymmdd)
2. Remove a character at a specified position using substring method
3. Tokenize an input string by using both split & StrinTokenizer and store it in an ArrayList or Vector and display them in a console.
4. Divide one BigDecimal from another BigDecimal
5. Read an input file and find the occurences of lines having only numeric values by using Pattern class.
View Answers
August 4, 2010 at 5:56 PM
Hi Friend,
4)
import java.math.*;
import java.util.*;
class DivideBigDecimal
{
public static void main(String[] args)
{
Scanner input =new Scanner(System.in);
System.out.println("Enter number 1: ");
int n1=input.nextInt();
System.out.println("Enter number 2: ");
int n2=input.nextInt();
BigDecimal b1=new BigDecimal(n1);
BigDecimal b2=new BigDecimal(n2);
BigDecimal result=b1.divide(b2);
System.out.println(result);
}
}
3)
using StringTokenizer:
import java.util.*;
public class String_Example{
public static void main(String[]args){
StringTokenizer st=new StringTokenizer("Welcome to roseindia");
ArrayList list=new ArrayList();
while(st.hasMoreElements())
{
String token = st.nextElement().toString();
list.add(token);
}
for(int i=0;i<list.size();i++){
System.out.println(list.get(i));
}
}
}
using split() method:
import java.util.*;
public class String_Example{
public static void main(String[]args){
String st="Welcome to roseindia";
ArrayList list=new ArrayList();
String str[]=st.split(" ");
for(int i=0;i<str.length;i++){
list.add(str[i]);
}
for(int i=0;i<list.size();i++){
System.out.println(list.get(i));
}
}
}
Thanks
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