In Java, these abbreviations represent comparison operators, which are used to compare the size relationship between two values.Here are their detailed explanations:
eq: means "equal to", and in Java use "==" to indicate whether the two values are equal. Return true if the two values are equal; otherwise return false. When this comparison operator is used to compare variables of reference types, it compares whether the references of the object are the same.
int a = 5; int b = 5; boolean result = (a == b); // result is true, because the values of a and b are equal
ne: means "not equal", and use "!=" in Java to indicate whether the two values are not equal. Return true if the two values are not equal; otherwise return false.
int a = 5; int b = 10; boolean result = (a != b); // result is true, because the values of a and b are not equal
ge: means "greater than or equal to", and use ">=" in Java to indicate whether one value is greater than or equal to another value. Return true if the first value is greater than or equal to the second value; otherwise return false.
int a = 10; int b = 5; boolean result = (a >= b); // result is true, because a is greater than or equal to b
gt: means "greater than", use ">" in Java to indicate whether one value is greater than another. Return true if the first value is greater than the second value; otherwise return false.
int a = 10; int b = 5; boolean result = (a > b); // result is true, because a is greater than b
le: means "less than or equal to", and use "<=" in Java to indicate whether one value is less than or equal to another value. Return true if the first value is less than or equal to the second value; otherwise return false.
int a = 5; int b = 10; boolean result = (a <= b); // result is true, because a is less than or equal to b
lt: means "less than", and use "<" in Java to indicate whether one value is less than another. Return true if the first value is less than the second value; otherwise return false.
int a = 5; int b = 10; boolean result = (a < b); // result is true, because a is less than b
These comparison operators are often used in control flow statements, conditional statements and loop statements, and are used to determine the execution path of a program or decide whether to enter a loop, etc.
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