cn.allbs.utils

类 CommonUtil

java.lang.Object

cn.allbs.utils.CommonUtil

public class CommonUtil
extends java.lang.Object

类 CommonUtil

从以下版本开始:

2023/3/20 11:54

作者:

ChenQi

构造器概要

构造器

构造器和说明
CommonUtil()

方法概要

限定符和类型	方法和说明
static java.lang.String	concat(boolean isNullToEmpty, java.lang.CharSequence... strs)
static boolean	hasEmpty(java.lang.Double... args)
static boolean	isAllNotEmpty(java.lang.Double... args)
static boolean	isEmpty(java.util.Collection<?> collection)
static <T> boolean	isEmpty(T[] array)
static boolean	isNotEmpty(java.util.Collection<?> collection)
static boolean	isNotEmpty(java.util.Map<?,?> map)
static <T> boolean	isNotEmpty(T[] array)
static boolean	isNotNull(java.lang.Object obj)
static boolean	isValidIfNumber(java.lang.Object obj)
static boolean	isValidNumber(java.lang.Number number)
static <T> java.util.List<T>	list(boolean isLinked, T... values)
static <T> T[]	newArray(java.lang.Class<?> componentType, int newSize)
static java.lang.Object[]	newArray(int newSize)
static <T> java.util.HashSet<T>	newHashSet(T... ts)
static java.lang.String	nullToDefault(java.lang.CharSequence str, java.lang.String defaultStr)
static java.lang.String	nullToEmpty(java.lang.CharSequence str)
static java.lang.Number	parseNumber(java.lang.String numberStr)
static java.math.BigDecimal	round(java.math.BigDecimal number, int scale)
static java.math.BigDecimal	round(java.math.BigDecimal number, int scale, java.math.RoundingMode roundingMode)
static java.math.BigDecimal	round(double v, int scale)
static java.math.BigDecimal	round(double v, int scale, java.math.RoundingMode roundingMode)
static java.math.BigDecimal	round(java.lang.String numberStr, int scale, java.math.RoundingMode roundingMode)
static <T> java.util.HashSet<T>	set(boolean isSorted, T... ts)
static <T> T[]	toArray(java.util.Collection<T> collection, java.lang.Class<T> componentType)
static java.math.BigDecimal	toBigDecimal(java.lang.String number)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

CommonUtil

public CommonUtil()

方法详细资料

list

@SafeVarargs
public static <T> java.util.List<T> list(boolean isLinked,
                                                       T... values)

isEmpty

public static <T> boolean isEmpty(T[] array)

isEmpty

public static boolean isEmpty(java.util.Collection<?> collection)

isNotEmpty

public static boolean isNotEmpty(java.util.Collection<?> collection)

set

@SafeVarargs
public static <T> java.util.HashSet<T> set(boolean isSorted,
                                                         T... ts)

newHashSet

@SafeVarargs
public static <T> java.util.HashSet<T> newHashSet(T... ts)

concat

public static java.lang.String concat(boolean isNullToEmpty,
                                      java.lang.CharSequence... strs)

nullToEmpty

public static java.lang.String nullToEmpty(java.lang.CharSequence str)

nullToDefault

public static java.lang.String nullToDefault(java.lang.CharSequence str,
                                             java.lang.String defaultStr)

toArray

public static <T> T[] toArray(java.util.Collection<T> collection,
                              java.lang.Class<T> componentType)

newArray

public static <T> T[] newArray(java.lang.Class<?> componentType,
                               int newSize)

newArray

public static java.lang.Object[] newArray(int newSize)

isNotEmpty

public static <T> boolean isNotEmpty(T[] array)

isNotEmpty

public static boolean isNotEmpty(java.util.Map<?,?> map)

isNotNull

public static boolean isNotNull(java.lang.Object obj)

isValidIfNumber

public static boolean isValidIfNumber(java.lang.Object obj)

isValidNumber

public static boolean isValidNumber(java.lang.Number number)

hasEmpty

public static boolean hasEmpty(java.lang.Double... args)

isAllNotEmpty

public static boolean isAllNotEmpty(java.lang.Double... args)

round

public static java.math.BigDecimal round(double v,
                                         int scale)

round

public static java.math.BigDecimal round(double v,
                                         int scale,
                                         java.math.RoundingMode roundingMode)

round

public static java.math.BigDecimal round(java.lang.String numberStr,
                                         int scale,
                                         java.math.RoundingMode roundingMode)

toBigDecimal

public static java.math.BigDecimal toBigDecimal(java.lang.String number)

parseNumber

public static java.lang.Number parseNumber(java.lang.String numberStr)
                                    throws java.lang.NumberFormatException

抛出:

java.lang.NumberFormatException

round

public static java.math.BigDecimal round(java.math.BigDecimal number,
                                         int scale)

round

public static java.math.BigDecimal round(java.math.BigDecimal number,
                                         int scale,
                                         java.math.RoundingMode roundingMode)