Example

public static void main( String[] args ) {
long l = -12345;
Long L = new Long(l);
System.out.println(Long.toString(l));
System.out.println(L.toString());
}
Solution
Use
  • java.text.NumberFormat

public static void main(String[] args){
try {
long n = -12345;
Long N = new Long(n);
java.text.NumberFormat f;
java.util.Locale l;

l = java.util.Locale.ENGLISH;
f = java.text.NumberFormat.getNumberInstance(l);
System.out.println(" English: " + f.format(n)); //$NON-NLS-1$
System.out.println(" English: " + f.format(N)); //$NON-NLS-1$

l = new java.util.Locale("ar", "AE"); //$NON-NLS-1$ //$NON-NLS-2$
f = java.text.NumberFormat.getNumberInstance(l);
System.out.println(" Arabic: " + f.format(n)); //$NON-NLS-1$
System.out.println(" Arabic: " + f.format(N)); //$NON-NLS-1$

l = new java.util.Locale("mk", "MK"); //$NON-NLS-1$ //$NON-NLS-2$
f = java.text.NumberFormat.getNumberInstance(l);
System.out.println("Macedonia: " + f.format(n)); //$NON-NLS-1$
System.out.println("Macedonia: " + f.format(N)); //$NON-NLS-1$
}catch (Exception e){
e.printStackTrace();
}
}

Solution
Use ICU 2.6.1
  • com.ibm.icu.text.NumberFormat

public static void main(String[] args){
try {
long n = -12345;
Long N = new Long(n);
com.ibm.icu.text.NumberFormat f;
java.util.Locale l;

l = java.util.Locale.ENGLISH;
f = com.ibm.icu.text.NumberFormat.getNumberInstance(l);
System.out.println(" English: " + f.format(n)); //$NON-NLS-1$
System.out.println(" English: " + f.format(N)); //$NON-NLS-1$

l = new java.util.Locale("ar", "AE"); //$NON-NLS-1$ //$NON-NLS-2$
f = com.ibm.icu.text.NumberFormat.getNumberInstance(l);
System.out.println(" Arabic: " + f.format(n)); //$NON-NLS-1$
System.out.println(" Arabic: " + f.format(N)); //$NON-NLS-1$

l = new java.util.Locale("mk", "MK"); //$NON-NLS-1$ //$NON-NLS-2$
f = com.ibm.icu.text.NumberFormat.getNumberInstance(l);
System.out.println("Macedonia: " + f.format(n)); //$NON-NLS-1$
System.out.println("Macedonia: " + f.format(N)); //$NON-NLS-1$
}catch (Exception e){
e.printStackTrace();
}
}