Try the following code with excel as 
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class excelDataReader {
public static void main(String[] args) {
    List<Info> infoList = extractInfo();
    for (Info info : infoList) {
        System.out.println(info);
    }
}
public static List<Info> extractInfo() {
    List<Info> infoList = new ArrayList<Info>();
    Workbook wb = null;
    try {
        wb = new XSSFWorkbook(new FileInputStream(new         
 File("C:\\Users\\rrr\\Downloads\\contacts.xlsx")));
        Sheet sheet = wb.getSheetAt(0);
        boolean skipHeader = true;
        for (Row row : sheet) {
            if (skipHeader) {
                skipHeader = false;
                continue;
            }
            List<Cell> cells = new ArrayList<Cell>();
            int lastColumn = Math.max(row.getLastCellNum(), 5);// because my
                                                                // excel
                                                                // sheet has
                                                                // max 5
                                                                // columns,
                                                                // in case
                                                                // last
                                                                // column is
                                                                // empty
                                                                // then
                                                                // row.getLastCellNum()
                                                                // will
                                                                // return 4
            for (int cn = 0; cn < lastColumn; cn++) {
                Cell c = row.getCell(cn, Row.RETURN_BLANK_AS_NULL);
                cells.add(c);
            }
            Info info = extractInfoFromCell(cells);
            infoList.add(info);
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (wb != null) {
            try {
                wb.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return infoList;
}
private static Info extractInfoFromCell(List<Cell> cells) {
    Info info = new Info();
    Cell nameCell = cells.get(0);
    if (nameCell != null) {
        nameCell.setCellType(Cell.CELL_TYPE_STRING);
        info.setName(nameCell.getStringCellValue());
    }
    Cell mobileCell = cells.get(1);
    if (mobileCell != null) {
        mobileCell.setCellType(Cell.CELL_TYPE_STRING);
        info.setMobile(mobileCell.getStringCellValue());
    }
    Cell phoneCell = cells.get(2);
    if (phoneCell != null) {
        phoneCell.setCellType(Cell.CELL_TYPE_STRING);
        info.setPhone(phoneCell.getStringCellValue());
    }
    Cell permAddressCell = cells.get(3);
    if (permAddressCell != null) {
        permAddressCell.setCellType(Cell.CELL_TYPE_STRING);
        info.setPermAddress(permAddressCell.getStringCellValue());
    }
    Cell commAddressCell = cells.get(4);
    if (commAddressCell != null) {
        commAddressCell.setCellType(Cell.CELL_TYPE_STRING);
        info.setCommAddress(commAddressCell.getStringCellValue());
    }
    return info;
}
}パッケージcmprocesser.cmprocesser;
import java.io.File; 
import java.io.FileInputStream;  
import java.io.IOException;  
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Comment;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
public class Info {
    private String name;
    private String mobile;
    private String phone;
    private String permAddress;
    private String commAddress;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getMobile() {
        return mobile;
    }
    public void setMobile(String mobile) {
        this.mobile = mobile;
    }
    public String getPhone() {
        return phone;
    }
    public void setPhone(String phone) {
        this.phone = phone;
    }
    public String getPermAddress() {
        return permAddress;
    }
    public void setPermAddress(String permAddress) {
        this.permAddress = permAddress;
    }
    public String getCommAddress() {
        return commAddress;
    }
    public void setCommAddress(String commAddress) {
        this.commAddress = commAddress;
    }
    @Override
    public String toString() {
        return "Info [Name=" + name + ", Mobile=" + mobile + ", Phone=" + phone + ", Permanent Address=" + permAddress
                + ", Communication Address=" + commAddress + "]";
    }
}