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[JAVA] use contains function when checking whether JAVA Java string is included

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When checking for Java string inclusion ex) String str = "contains test"; System.out.println( str.contains("contains") );  // true System.out.println( str.contains("what") );  // false System.out.println( str.contains("TEST") );  // false System.out.println( str.contains("test") );  // true 😀 Thank you!! 감사합니다!!

[JAVA] date before function

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<% Calendar now = Calendar.getInstance(); Calendar date1 = Calendar.getInstance(); date1.set(Calendar.YEAR, 2032); date1.set(Calendar.MONTH, 11); //  certainly  +1  date1.set(Calendar.DATE, 28); date1.set(Calendar.HOUR_OF_DAY, 10); // date1  set to 10:20:30 date1.set(Calendar.MINUTE, 20); date1.set(Calendar.SECOND, 30); if(now.before(date1)){ // true, false  %> <script> console.log("true"); </script> <% } // false %> 😀 Thank you!!