bigdecimal比较大小

BigDecimal a = new BigDecimal (101.00);
BigDecimal b = new BigDecimal (111.00);
if(a.compareTo(b) == -1){
System.out.println("a小于b");
}

if(a.compareTo(b) == 0){
System.out.println("a等于b");
}

if(a.compareTo(b) == 1){
System.out.println("a大于b");
}

if(a.compareTo(b) > -1){
System.out.println("a大于等于b");
}

if(a.compareTo(b) < 1){
System.out.println("a小于等于b");
}

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