Assert Statements

Assert Statements are a language feature.

Assert Statements can be built into the language or included in a standard library.

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Languages with Assert Statements include Java, C

Example from Java:

// By default, assertions are disabled
// java –enableassertions Test
int score = 10;
assert score >= 10 : " Below";
System.out.println("score is "+score);

Example from C:

#include <assert.h>
int i, a[10];
for (i = 0; i < 10; ++i)
  {
  assert(0 <= i && i < 10);
  a[i] = 10-i;
  }
for (i = 0; i < 10; ++i)
  {
  assert(0 <= i && i < 10);
  assert(0 <= a[i] && a[i] < 10);
  a[a[i]] = a[i];
  }

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