Monday, 25 December 2017
Sunday, 24 December 2017
Friday, 22 December 2017
convert primitive double to Double object : JAVA PROGRAM
video Link :https://youtu.be/McEufMJ_SY4
Source :
/* java program to convert primitive double to Double Object */
class doubleToDouble{
public static void main(String args[]){
// primitive double value
double dvalue = 5444.22 ;
// convert double to Double by creating Double Object
Double dobj = new Double(dvalue);
System.out.println("value of Double Object is: "+dobj);
}
}
Source :
/* java program to convert primitive double to Double Object */
class doubleToDouble{
public static void main(String args[]){
// primitive double value
double dvalue = 5444.22 ;
// convert double to Double by creating Double Object
Double dobj = new Double(dvalue);
System.out.println("value of Double Object is: "+dobj);
}
}
Wednesday, 20 December 2017
JAVA program to check given string is number or not
Video Link : ➽ https://youtu.be/KLVLYuDT2-o
Source program :
import java.util.Scanner;
class NumberValidation{
public static void main(String args[]){
String str ;
System.out.println("Enter String :");
Scanner sc = new Scanner(System.in);
str = sc.next();
boolean b = true;
try{
Double.parseDouble(str);
}catch(NumberFormatException ex){
b = false;
}
if(b){
System.out.println("\n\n Enter String is number ...");
}else{
System.out.println("\n\n Enter String is Not a number ...");
}
}
}
Source program :
import java.util.Scanner;
class NumberValidation{
public static void main(String args[]){
String str ;
System.out.println("Enter String :");
Scanner sc = new Scanner(System.in);
str = sc.next();
boolean b = true;
try{
Double.parseDouble(str);
}catch(NumberFormatException ex){
b = false;
}
if(b){
System.out.println("\n\n Enter String is number ...");
}else{
System.out.println("\n\n Enter String is Not a number ...");
}
}
}
Tuesday, 19 December 2017
Monday, 18 December 2017
Saturday, 16 December 2017
Saturday, 9 December 2017
Thursday, 7 December 2017
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