Kei's Blog

package comutil.word;import java.io.BufferedWriter;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;impo

CopyUtilpackage comutil;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.ObjectInputStream;import java.io.ObjectOutputStre

StringUtils.hasLength(null) = false; StringUtils.hasLength("") = false; StringUtils.hasLength(" ") = true; StringUtils.hasLength("Hello") = true; StringUtils.hasText(null) = false; StringUtils.