자바 숫자인지 문자인지 구분 예제.
public class checkStringOrNumeric { public checkStringOrNumeric() { String numericVal = "30"; String stringVal = "TEST"; checkStringOrNumeric(numericVal); checkStringOrNumeric(stringVal); } public void checkStringOrNumeric(String val) { try { Double.parseDouble(val); } catch(NumberFormatException nfe) { //nfe.printStackTrace(); System.out.println("Val is String."); return; } System.out.println("..
Java/Eclipse
2016. 5. 17. 21:02