Java获取文本框中的数字并转换成int类型,运行报错
s1=Integer.parseInt(count_text[0].getText());
错误:Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: For input string: ""
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:504)
at java.lang.Integer.parseInt(Integer.java:527)
at game.<init>(game.java:118)